Set wise
निमोनीया कुन अंगसंग सम्बन्धित रोग हो ?
1/25
मुटुको धडकन (heart beat)सुन्न्ने यन्त्रलाई के भनिन्छ ?
2/25
Pulmonary circulation मा रगत सुद्ध हुनुको लागि कहाँ जान्छ ?
3/25
टि .टि खोप कुन उमेरका महिलालाई दिईन्छ ?
4/25
Pulmonary valve कहाँ हुन्छ ?
5/25
Saliva मा कुन Enzyme हुन्छ ?
6/25
T.B विरुद्ध कुन Vaccine दिइन्छ?
7/25
ICU को पुरा रुप कुन हो ?
8/25
बच्चालालाई भ्यागुतोबाट बचाउन कुन खोप दिइन्छ ?
9/25
मुत्र थैलीबाट पाइपको माध्यमबाट पिसाब निकाल्नुलाई के भनिन्छ ?
10/25
Male sex harmone कुन हो ?
11/25
E.P.I WHO को World wide खोप कार्यक्रम हो जसको पुरा नाम ......... हो |
12/25
Polio vaccine कुन उमेरक बच्चालाई दिन सकिन्छ ?
13/25
AIDS लग्न बाट बच्न के गर्नुपर्छ ?
14/25
भिटामिन 'c'को वैज्ञानिक नाम के हो ?
15/25
Adam's Apple (रुद्रघनटि)कुन भागमा अवस्थित छ ?
16/25
शरीरमा इन्सुलीनको कमी भएमा कुन रोग लाग्छ ?
17/25
Female urethra को लम्बाई कति हुन्छ ?
18/25
Pulse लिने सबै भन्दा common artery कुन हो ?
19/25
स्वास्थ्य व्यस्क व्यक्तिको शरिरमा कति लिटर रगत हुन्छ ?
20/25
Bowmen's capsule के मा पाइन्छ ?
21/25
नरप्लाणट ले कति वर्ष सम्म गर्ध रहन दिदैन?
22/25
तलका मध्ये वशंणूगत रोग कुन हो ?
23/25
D.P.T खोप कत्ति पटक लगाइन्छ?
24/25
Hepatitis शरिरको कुन अंगमा लाग्छ ?
25/25
Bicuspid valve is situated in (where it =lift &rt=right)
1/18
Excessive alcohol causes...............
2/18
Whooping cough is preventing by...............
3/18
Common artery for taking BP is ...........
4/18
Outer membrane of Hearts is called............
5/18
Which is water soluble vitamin?
6/18
Full from of DOTS is .....................
7/18
Which is not vital sign?
8/18
Asthma is disease of...........
9/18
'Lockjaw' is the sign of
10/18
Ful from of HIV
11/18
Which disease is not prevent from immunization?
12/18
Gonorrhoea (धातुमेय ) विशेष गरि कसलाई लाग्छ ?
13/18
Breast मा कतिवटा यिदभ हुन्छ ?
14/18
Brain को कुन भागमा चोटपटक लागेमा मानिस तुरुंत मर्न सक्छ ?
15/18
Areola भन्नाले महिलाको कुन आन्ग्संग सम्बन्धित भाग हो ?
16/18
AIDS कुन प्रणालीमा लहने रोग हो ?
17/18
कुन Artery ले असुध्द रगत बोक्छ?
18/18
The formation of brilliant colors in a thin soap film is a consequence of the phenomena of
1/50
Optic fibres are used in :
2/50
Purpose of an optical filter is to
3/50
Parabolic mirrors are used in
4/50
Fibre optics work on the principle of
5/50
What is colour of light related to ?
6/50
The redness in atmosphere at Sunrise and Sunset is due to :
7/50
The sky appears blue due to
8/50
What is a compound microscope?
9/50
Which one of the following is used for sun glasses ?
10/50
Instrument for measuring blueness of the sky or ocean is called ________
11/50
Photosynthesis takes place faster in
12/50
In a bipolar junction transistor
13/50
Addition of suitable impurities into semiconductor, is called
14/50
When a piece of pure silicon is doped with aluminium, then
15/50
When two semiconductors of p and n-type are brought in contact, they form p-n junction which acts like a/an
16/50
Which one among the following components is used as an amplifying device?
17/50
An integrated circuit is more advantages than a coventional circuit because
18/50
Which of the following features of a tunnel diode is its drawback?
19/50
The distance between node and adjacent antinode is 30 cm. The wavelength is
20/50
The material used in the fabrication of a transistor is
21/50
For which Diode is used ?
22/50
The complete form of 'IC' in electronics is
23/50
In electronics what comes under tank circuit ?
24/50
For which one of the following, ''Diodes" are generally used for?
25/50
The width of depletion layer of a P-N junction
26/50
The impurity atoms with which silicon should be doped to make p-type semiconductors are
27/50
Which of the following is used for regulated electric supply ?
28/50
A NOT gate can be implemented by:
29/50
Where is a transistor most likely to be found ?
30/50
Solids which conduct electricity at higher temperature but not at lower temperature are called
31/50
Which one among the following components can not be developed within an ''integrated circuit"?
32/50
A metal semiconductor junction diode is called ________
33/50
Universal gates are
34/50
In a Laser (say neon laser) all the atoms emit the light waves of
35/50
The Laser is a beam of radiations which are
36/50
In quantum mechanics a particle is represented by a
37/50
The p wave of a normal Electrocardiogram indicates
38/50
Which of the following phenomenon helps to conclude that light is a transverse wave?
39/50
What is the phenomenon which established the transverse nature of light ?
40/50
Golden view of sea shell is due to
41/50
The light of distant stars is affected by
42/50
A soap bubble shows colours when illuminated with white light. This is due to
43/50
Which of the following waves cannot be polarized?
44/50
Lamberts law is related to
45/50
The wave of theory of light is based on
46/50
When a strong beam of light is passed through a colloidal solution, the light will
47/50
Which of these waves can be polarized ?
48/50
The scientist who first sent electromagnetic waves to distant places is
49/50
The wave theory of light can explain
50/50
Gamma rays are emissions that have
1/50
In the gamma decay of a nucleus
2/50
Who among the following developed the technology of underground nuclear explosion ?
3/50
A radioactive substance does not undergo any change (in mass or charge) during
4/50
After removing two electrons from helium atom it become?
5/50
Atomic packing factor of body centred cubic structure (bcc) is
6/50
A nuclear reactor is said to have become 'critical' when
7/50
Nuclear reactors used to produce electricity are based on
8/50
The energy obtained from atoms is known as ________
9/50
Which, of the following radiations has the least wavelength ?
10/50
For Gamma radiation, what stops its penetrating abilities?
11/50
An atom bomb based upon the principle of ________
12/50
The damage of the human body due to radiation (X-rays or gamma rays etc) is measured in :
13/50
Radioactivity is due to
14/50
What is the range of Strong Nuclear force?
15/50
Name the process of production of energy in the Sun
16/50
Which type of reaction produces the most harmful radiation ?
17/50
Energy is continuously created in the sun due to:
18/50
The mass defect is the result of what action occurring?
19/50
Which one of the following wavelengths of light is most effective in photosynthesis ?
20/50
The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is
21/50
An electron microscope gives higher magnification than an optical microscope, because :
22/50
The magnifying power of an astronomical telescope can be decreased by
23/50
The light rays used for eliminating bacteria is
24/50
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
25/50
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?
26/50
A colour-blind person cannot
27/50
Magnifying Glass is basically a
28/50
A microscope used in pathological laboratories forms
29/50
Which of the following characteristics of light remains unchanged when light travels from vaccum enters water?
30/50
To resolve an object in an electron microscope,
31/50
Which of the following is an example of continous emission spectrum?
32/50
The atmospheric layer reflecting radio waves is called
33/50
For a ray of light to suffer total internal reflection it has to pass from :
34/50
Which of the following is optical illusion?
35/50
One can distinguish a telescope from a microscope by observing
36/50
Electron microscope works on which of the following principles?
37/50
Holography is a technique of
38/50
Optical fiber works on the principle of
39/50
Which one of the following is the correct sequence of passage of light in a compound microscope?
40/50
In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is
41/50
A simple microscope consists of :
42/50
Person who is colourblind cannot distinguish between
43/50
Fiber optics cable used in communication, works on the principle of
44/50
Lens is made up of which glass
45/50
The final image in a simple microscope is
46/50
Which microscope is often used to view metal surfaces?
47/50
Which of the following cannot be used for making lenses?
48/50
The illuminating powers of two sources are compared by
49/50
Rainbow is seen after rain because of hanging molecules of water which act as
50/50
X–rays are
1/50
X–rays are
2/50
X-rays region lies between
3/50
In the absence of ozone layer, which rays will enter into atmosphere?
4/50
In MRI machine, which one of the following is used?
5/50
Tape recorder should not be kept near one of the following things :
6/50
Eddy current is generated by
7/50
Which of the following circuit elements is used to ''block" DC in an electronic circuit ?
8/50
A photostat machine works on
9/50
On which of the following techniques photostate machine works ?
10/50
Which of the following group of elements are diamagnetic?
11/50
In the process of magnetisation of a bar
12/50
Magnetic domains normally occur in
13/50
A small piece of a substance is weakly attracted by a strong magnetic field. The substance is
14/50
Magnetism in materials is due to
15/50
The method of magnetisation is:
16/50
Magnetic keepers are pieces of
17/50
Curie point is the temperature at which
18/50
Tesla is a unit of magnetic :
19/50
The domain theory of magnetism applies to
20/50
The paramagnetic theory of magnetism applies to
21/50
Where should a boat compass be mounted?
22/50
Which of the following properties is found only in ferromagnetic materials ?
23/50
Magnetic field lines about a current-carrying wire
24/50
In a magnetic field, the direction of motion of a current carrying conductor is given by
25/50
The force between charged particles is called as:
26/50
Moving electric charge produces :
27/50
Nuclear sizes are expressed in a unit named
28/50
Beta rays emitted by a radioactive material are
29/50
At the center of the sun, fusion converts hydrogen into
30/50
Gamma rays have greatest similarity with
31/50
Heavy water is used in nuclear reactor to
32/50
Radiocarbon is produced in the atmosphere as a result of
33/50
What are the particles emitted by radioactive element after 3 consecutive disintegration?
34/50
Choose the most appropriate answer: Natural radioactivity was discovered by
35/50
In a nuclear reactor, one of the following is used as a fuel.
36/50
Alpha particle is the nucleus of an atom of
37/50
Energy stored in the nucleus of an atom is called
38/50
In nuclear reactor, heavy water is used as
39/50
Radioactive elements can be traced out in living cell through a technique called
40/50
The radiant energy having lowest energy is
41/50
The mercury and sodium street lamps light up because of :
42/50
Nuclear Reactors are based on which of the following phenomenon?
43/50
Which type of radiation has the lowest penetrating ability?
44/50
In beta decay what is emitted?
45/50
Which one of the following ray has minimum wavelength?
46/50
Nuclear Fission is caused by the impact of
47/50
Radiocarbon dating technique is used to estimate the age of
48/50
Which of the following branch of Physics deal with study of Atomic Nuclei?
49/50
The least penetrating power ray is
50/50
The term photon refers to
1/50
In a conductor
2/50
The unit of intensity of electric field is
3/50
. . . . . . . . . exerts a force on anything that has an electric charge.
4/50
Where do the electrical charges reside in a charged conductor?
5/50
The strength of an electromagnet can be increased by
6/50
The unit of Planck's constant is
7/50
When a vehicle passes, TV reception gets distorted. This is because
8/50
The unit of magnetic permeability is
9/50
An Electric generator is based on which of the following scientific principles?
10/50
Planck's constant has the dimensions of :
11/50
What is the unit of Magnetic Induction?
12/50
In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ?
13/50
Ozone layer above the surface of Earth provides a shield against
14/50
Coolis tube is used to produce
15/50
Who among the following discovered X-rays?
16/50
Ozone layer in the outer atmosphere helps us in
17/50
The waves used in sonography are
18/50
In the remote control of television, electromagnetic waves used are
19/50
Which one of the following is not a property of electromagnetic waves?
20/50
Which one of the waves have the longest wavelength
21/50
Remote-sensing device has an inbuilt source of
22/50
Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength.
23/50
Which of the following has the shortest wavelength?
24/50
Gamma rays can cause
25/50
Green house effect is the heating up of the Earth's atmosphere which is due to
26/50
Visible light has a higher frequency than
27/50
Which of the following has the longest wavelength?
28/50
Night photography and photopraphy in mist and fog are possible using
29/50
A car parked in the sun with its windows closed gets terribly hot inside. This is due to
30/50
To measure the speed of an approaching car a police officer shines
31/50
The device used for measuring the wavelength of X-rays is
32/50
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?
33/50
Transition ions absorb light in :
34/50
Which one type of radiation has the longest wave length
35/50
Forged documents are detected by
36/50
The radiation initially produced in fluorescent tube is
37/50
In a vacuum, all electromagnetic waves have the same
38/50
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by
39/50
Which one among the following is not an electromagnetic wave?
40/50
Electromagnetic waves are transverse in nature is evident by
41/50
Which of the following parts of the sunlight makes the solar cooker hot ?
42/50
In the atmosphere ultraviolet rays are absorbed by
43/50
Energy of Ultraviolet rays is great than
44/50
What is the wavelength of visible spectrum ?
45/50
Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?
46/50
Where are mesons found ?
47/50
Who discovered X-ray?
48/50
Which of the following has the lowest frequency?
49/50
Which of the following is not true about X-rays?
50/50
The GPS device in an automobile uses which communication channel?
1/50
In a optical fibre cable, the signal is propagated along the
2/50
The audio signals of TV are
3/50
In radio-communication, the signals emitted by transmitting antenna are reflected on
4/50
Quality of transmission depends upon
5/50
Circuit breaker usually operate under
6/50
The resistance of the human body (dry condition) is of the order of
7/50
Which component of an IED creates an electrical charge?
8/50
A multimeter is used to measure
9/50
Which of the following was the first theory of superconductivity?
10/50
A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be
11/50
A wire carrying current is
12/50
Carbon Arc lamps are commonly used in
13/50
Low voltage cables are meant for use up to
14/50
Kirchoff's Voltage Law is known as
15/50
Super conductors are substances that
16/50
A galvanometer can be converted to a voltmeter by connecting
17/50
Certain substances loose their electrical resistance completely at super low temperature. Such substances are called.
18/50
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?
19/50
Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?
20/50
Erg cross Sec is the unit of
21/50
A dynamometer wattmeter can be used for
22/50
Kirchhoff's laws are applicable to
23/50
The device which converts AC to DC is
24/50
Which of the following is a device designed to protect electrical devices from voltage spikes?
25/50
The working of the quartz crystal in the watch is based on the
26/50
At low temperature, Lead behaves as a :
27/50
The device which transfer the signal from low resistance region to high resistance region is
28/50
The frequency of direct current is ________
29/50
Resistance of human body in dry condition
30/50
The purpose of choke in a fluorescent lamp is :
31/50
An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?
32/50
Superconductors are those elements
33/50
A device used for converting a.c. into d.c. is called
34/50
A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is :
35/50
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be
36/50
A galvanometer can be converted into a voltmeter by connecting with it a
37/50
In superconductors, the energy gap is due to
38/50
Electrical Pressure is also called
39/50
The ''Choke' used with a tube light is basically
40/50
For photoelectric effect to take place, the metal used as the cathode should have ________
41/50
Which phenomena shows the particle nature of light?
42/50
According to the quantum theory of light, the energy of light is carried in discrete units are called
43/50
Photon is the fundamental unit/quantum of
44/50
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by
45/50
The energy of a photon varies directly with its
46/50
A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?
47/50
The threshold frequency is the frequency below which :
48/50
Which of the following supports particle nature of photons ?
49/50
The reverse effect of X–ray emission is
50/50
What is the name of the device used to convert alternating current into direct current ?
1/50
A Step-Up transformer increases
2/50
A transformer
3/50
In AC circuits, AC meters measure
4/50
Which sources produce alternating current (AC)?
5/50
Alternating current is converted into direct current by a
6/50
Speed regulation of synchronous motor is
7/50
A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become
8/50
A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct?
9/50
Which compressor is usually used in AC?
10/50
The best material for the core of a transformer is
11/50
A transformer works on the principle of
12/50
Transformer is a device to convert
13/50
Atomic hydrogen has a life period of
14/50
According to Rutherford's atomic model, the electrons inside an atom are
15/50
Electrons carry a
16/50
An atom with more neutrons than protons is called
17/50
What part of the atom has a positive charge?
18/50
Who was the first scientist to discover Electrons?
19/50
The wave like properties of electrons are useful in
20/50
Who indirectly determined the mass of the electron by measuring the charge of the electron?
21/50
When an atom loses an electron it becomes
22/50
What is the size of Electron as comapared to Proton and Neutron?
23/50
The force that binds the neutrons and protons in a nucleus is called as:
24/50
Proton carry a
25/50
Which of the following is preferred for accelerating electrons?
26/50
Why does'nt the hydrogen atom emit X-rays?
27/50
What is a neuron ?
28/50
Which electromagnetic radiation is used for satellite communication ?
29/50
Sending a frame to a group of stations is known as
30/50
What is the full form of ''AM' regarding radio broadcasting?
31/50
Radio waves sent out by a radio stations are reflected by
32/50
Bandwidth is the
33/50
Negative feedback in amplifiers
34/50
The sharpness of a television image is termed as its
35/50
Which of the following is the fastest communication channel?
36/50
The layer of atmosphere used for radio-wave transmission is
37/50
What frequency range is the high frequency band?
38/50
In an optical fibre the signal is transmitted
39/50
The Capacity of a communication channel is measured in
40/50
The frequency used in TV and radar system lies in
41/50
Which among the following waves is used for communication by artificial satellites ?
42/50
Modem is used mostly for ?
43/50
Choose the most appropriate answer: In which atmospheric layer are the communication satellites located?
44/50
If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________.
45/50
Waves that are required for long distance wireless communication are
46/50
A television channel is characterised by
47/50
What is found in frequency modulation ?
48/50
Positive feedback is used in
49/50
The waveform of a certain signal can be studied by
50/50
Which of the following have the same unit ?
1/50
Kilohertz is a unit which measures
2/50
What is the unit of the physical quantity "Inductance"?
3/50
Pycnometer is an instrument used to measure the
4/50
Red light has a wavelength of 70 A°. In "nm" it is
5/50
Lux is the SI unit of
6/50
Which of the following are used for accurately measuring very small time intervals ?
7/50
Which of the following is the unit of Astronomical Distance ?
8/50
What is unit of Astronomical distance ?
9/50
The SI unit of luminous emittance is :
10/50
The unit of measurement of noise is
11/50
Which of the following pair is Incorrect?
I. Parsec - Distance
II. Barrel - Liquid
III. Light year - Time
12/50
Radian is used to measure
13/50
What is the unit of the physical quantity Entropy?
14/50
Which physical quantity is measured in 'siemens'?
15/50
Hydroscope is an instrument that shows changes in:
16/50
Unit of impedance is ________
17/50
Stress can be defined as ________ quantity.
18/50
In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by
19/50
Two vectors are said to be equal if
20/50
Which of the following is a vector quantity?
21/50
Which of the following is not a vector quantity?
22/50
Which of the following is not a vector quantity ?
23/50
These waves cannot be transmitted through vacuum.
24/50
In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation
25/50
Which of the following is the unit of perceived loudness of sound ?
26/50
The component used for tuning a radio is basically a variable
27/50
A wave with high amplitude have
28/50
A standing wave occurs when
29/50
The wavelength of a wave is the distance between
30/50
Longitudinal waves cannot travel through
31/50
Flight Recorder is technically called :
32/50
A gradual increase in loudness is known as
33/50
Which of the following property of sound is affected by change in air temperature?
34/50
Which is a correct way to measure wavelength?
35/50
If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is
36/50
Why are we able to hear short wave broadcasts better than long wave broadcasts ?
37/50
The frequency of ultrasound wave is typically
38/50
Which of the following has the highest frequency?
39/50
Matter waves are
40/50
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is :
41/50
Intensity of any wave is proportional to which of the following?
42/50
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?
43/50
Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?
44/50
When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are
45/50
When a light wave is reflected from a mirror, there is a change in its
46/50
A doppler effect occurs when a source of sound moves
47/50
Stationary wave is formed by
48/50
Ultrasound devices operate with minimum frequency from
49/50
Which of the following is not a transverse wave?
50/50
A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ?
1/50
Air is said to be saturated when
2/50
At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of
3/50
What factors contribute to global winds?
4/50
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?
5/50
A spring is an example of which of these
6/50
A copper disc has a hole. If the disc is heated, the size of the hole
7/50
Which measurement describes the pressure of a gas?
8/50
Tensional forces normally cause which one of the following?
9/50
Amount of water vapour in the atmosphere is measured in terms of
10/50
For an ideal gas, which one of the following statements does not hold true?
11/50
Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as
12/50
The transport phenomenon occurs only in ________ state of a gas and is ________
13/50
The Hooke's law is valid for
14/50
Gas thermometers are more sensitive than the liquid thermometers because the gases
15/50
What happens to a liquid, when the vapour pressure equals the atmospheric pressure?
16/50
If the temperature of a place increases suddenly, the relative humidity
17/50
The modulus of rigidity is the ratio of
18/50
The flux commonly used in brazing is
19/50
How many laws of physics are there?
20/50
Which physicists is the writer of the book 'A Brief History of Time'?
21/50
On which day 'National Science Day' is celebrated in India ?
22/50
Who among the following is credited for the Corpuscular theory of light?
23/50
The word "Physics" comes from the Greek word
24/50
Which of the following events occurred first ?
25/50
Who among the following is credited to work for the unification of electricity, magnetism and optics field of Physics?
26/50
What is the range of masses involved in the study of Physics?
27/50
The modulus of elasticity for mild steel is approximately equal to
28/50
Which of the following scientific discoveries was made by C.V. Raman?
29/50
Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation?
30/50
Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation?
31/50
Which of the following is/are part of the Classical Physics?
32/50
General purpose utility gloves are
33/50
The theory of relativity is presented by which scientist
34/50
Who is known as the 'father of quantum theory'?
35/50
Which of the following occurred first ?
36/50
Which of the following is not a valid conservation law of classical physics?
37/50
Who among the following gave the Uncertainty principle?
38/50
Who among the following is credited for the discovery of ''Expanding Universe"?
39/50
Who gave black hole theory?
40/50
The capacity of a water heater is measured in
41/50
How many bottles of water is a gallon?
42/50
What is the unit of the physical quantity "Jerk"?
43/50
What is the unit of relative density?
44/50
1 Micron is equal to
45/50
A micron is equal to
46/50
Depth of ocean is measured by
47/50
'Parsec' is the unit measurement of
48/50
Analog synthesis refers to a technology based on
49/50
'Farad' is the unit of :
50/50
A cycle tyre bursts suddenly. This represents an :
1/50
Which has the lowest albedo?
2/50
Which one of the following is a non-dimensional quantity?
3/50
The dimension of Planck constant equals to that of
4/50
The recoiling of gun is an example of which of the following?
5/50
Which one of the following physical quantities has the same dimensions as that of Planck's constant?
6/50
When a person sitting on a swing stands up on the swing, the frequency of oscillation
7/50
A system exhibiting S.H.M. must possess
8/50
Which of the following is an example of simple harmonic motion?
9/50
Boyle's law is a relationship between
10/50
Which of the metals has the maximum thermal conductivity?
11/50
Which law relates to the ideal gas law?
12/50
A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will
13/50
The oil in the wick of lamp rises due to
14/50
Which of the following devices can be used to detect radiant heat ?
15/50
Shock-absorbers are usually made of steel as it :
16/50
The dimensional formula ML–1T–2 corresponds to
17/50
Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as:
18/50
An ideal gas cannot be
19/50
Super cooling stands for cooling of a liquid :
20/50
The spring constant of a spring depends on its
21/50
The average kinetic energy of the molecules of an ideal gas is directly proportional to
22/50
Steel is more elastic than rubber because it :
23/50
Water will not be vapourised if
24/50
Relative humidity is expressed as
25/50
According to special theory of relativity the mass of a particle
26/50
Bolometer is used to measure
27/50
Boyle's law relates to
28/50
Charles's law is based on
29/50
The ''Greenhouse effect' is mainly due to increase in atmospheric
30/50
Thermohaline circulation is mainly due to
31/50
Which of the following device is used to measure humidity?
32/50
Which set of conditions represents the easiest way to liquify a gas ?
33/50
The combined gas law relates which of the following?
34/50
The primary agent of contact metamorphism is
35/50
For accurate scientific work, temperatures are often measured by
36/50
In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
37/50
When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?
38/50
A real gas can act as an ideal gas in
39/50
The instrument that measures and records the relative humidity of air is
40/50
If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?
41/50
The value of coefficient of restitution in perfectly elastic collision is
42/50
Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
43/50
Supercooling is cooling of liquid ________
44/50
Liquids and gases never show
45/50
A circular plate, a cube and a sphere, all made up of same material and having the same
mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?
46/50
The humidity of the air depends upon
47/50
In a freezer ice cubes will be formed more quickly in trays made of
48/50
The ''four stroke petrol engine' is based on
49/50
The spring balance works on the principle of ________ .
50/50
All In One
The instrument used to see the distant objects on the Earth is
1/50
Intensity of gravitational field of earth is maximum at
2/50
Which is the point from where an azimuth originates?
3/50
The weight of a body acts through the centre of
4/50
If the spinning speed of the earth is increased then the weight of body at the equator
5/50
What is the escape velocity of the rocket in the earth?
6/50
Which planet has the lowest density?
7/50
The sensation of weightlessness in a spacecraft in an orbit is due to the
8/50
The different colours of different stars are due to the variation of
9/50
Which of the following is correct about the properties of Gravitational Forces?
10/50
In the absence of the earth's atmosphere, sky would appear
11/50
We always see the same face of the moon, because
12/50
The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by
13/50
A bomb explodes on the moon. You will hear its sound on earth after ________
14/50
Stars are held together by
15/50
The minimum number of geostationary satellites needed for uninterrupted global coverage is :
16/50
The Law of Kepler is related with which among the following ?
17/50
The term ''equinox' means
18/50
If the earth suddenly stop rotating, the value of "g" will be
19/50
If an empty cylinder is half filled with a liquid, its center of gravity is
20/50
Temperature of distant luminous bodies can be determined by
21/50
The three famous law of Kepler is related to
22/50
In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge?
23/50
Number of lattices in the orthorhombic system is
24/50
The term ''Isoneph' indicates the lines of equal
25/50
The wavelength at which the peak of intensity of blackbody radiation occurs
26/50
Which of the following principle is used to produce ''low-temperatures' ?
27/50
The first law of thermodynamics is simply the case of
28/50
The commonly used coolant in refrigerators is
29/50
Energy in reflected light :
30/50
Conservation of energy refers to the fact that
31/50
Which of the following causes adiabatic temperature changes in atmosphere?
32/50
Which of the following options correctly explains the term heat budget?
33/50
Which one of the following is not a feature of Indifference Curve?
34/50
Instruments for measuring Solar Radiation?
35/50
Refrigeration is a process which
36/50
Blowing Air with open pipe is an example of :
37/50
Which of the following is not reversible?
38/50
In a diesel engine the high temperature needed to ignite the fuel is achieved by
39/50
Heat transfer horizontally within the atmosphere is called
40/50
________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
41/50
Which phase change is an example of an exothermic process?
42/50
The velocity of heat radiation in vacuum is
43/50
In a Carnot engine when heat is taken from the source, its temperature
44/50
Even after sunset, the air near the Earth's surface continue to receive heat due to
45/50
In a refrigerator, the cooling system should always be
46/50
In a refrigerator what produces the cooling ?
47/50
Which of the following has the highest entropy?
48/50
Which of these branches of Physics deal with heat and temperature and their relation to energy and work?
49/50
The characteristic invalid for heat radiation is that it travels :
50/50