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Physics – General – LS

Physics – Set 11

Dear ! This is Physics – Set 11  Quiz and it contains 100 questions.

Happy Learning!

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1. What is the unit of relative density?  

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2. Unit of impedance is ________

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3. If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

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4. What is the unit of the physical quantity Entropy?   

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5. 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 :

 

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6. The waveform of a certain signal can be studied by

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7. Tensional forces normally cause which one of the following?  

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8. Who among the following gave the Uncertainty principle?

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9. Which of the following is not a vector quantity ?

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10. The word “Physics” comes from the Greek word

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11. Matter waves are

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12. What is unit of Astronomical distance ? 

 

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13. A doppler effect occurs when a source of sound moves

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14. Depth of ocean is measured by

 

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15. Two vectors are said to be equal if

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16. The frequency of ultrasound wave is typically

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17. The transport phenomenon occurs only in ________ state of a gas and is ________ 

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18. On which day ‘National Science Day’ is celebrated in India ?

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19. When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are

 

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20. How many laws of physics are there?

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21. Which of the following is not a transverse wave?

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22. A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ?

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23. The unit of measurement of noise is

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24. Which physical quantity is measured in ‘siemens’?

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25. What factors contribute to global winds?

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26. A copper disc has a hole. If the disc is heated, the size of the hole

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27. Stationary wave is formed by

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28. Red light has a wavelength of 70 A°. In “nm” it is   

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29. The component used for tuning a radio is basically a variable

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30. Who among the following is credited to work for the unification of electricity, magnetism and optics field of Physics? 

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31. Hydroscope is an instrument that shows changes in:

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32. For an ideal gas, which one of the following statements does not hold true?

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33. What is found in frequency modulation ?

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34. Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? 

 

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35. Who gave black hole theory?

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36. Which of the following pair is Incorrect? I. Parsec – Distance II. Barrel – Liquid III. Light year – Time

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37. Which of the following is a vector quantity? 

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38. Lux is the SI unit of

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39. Gas thermometers are more sensitive than the liquid thermometers because the gases

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40. Who among the following is credited for the discovery of ”Expanding Universe”? 

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41. At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of  

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42. 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 

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43. Which measurement describes the pressure of a gas?

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44. A spring is an example of which of these

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45. Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation?

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46. The capacity of a water heater is measured in 

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47. 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? 

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48. What happens to a liquid, when the vapour pressure equals the atmospheric pressure?

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49. The theory of relativity is presented by which scientist

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50. 1 Micron is equal to

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51. Longitudinal waves cannot travel through

 

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52. The modulus of rigidity is the ratio of

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53. Which of the following is not a valid conservation law of classical physics?

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54. The modulus of elasticity for mild steel is approximately equal to

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55. Radian is used to measure

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56. Which of the following is the unit of Astronomical Distance ? 

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57. General purpose utility gloves are

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58. The SI unit of luminous emittance is :

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59. Who is known as the ‘father of quantum theory’?

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60. Which is a correct way to measure wavelength?

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61. Air is said to be saturated when 

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62. How many bottles of water is a gallon?

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63. Which of the following has the highest frequency? 

 

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64. Which of the following property of sound is affected by change in air temperature?

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65. Which of the following is the unit of perceived loudness of sound ?

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66. A gradual increase in loudness is known as

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67. Which of the following is/are part of the Classical Physics? 

 

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68. Flight Recorder is technically called :

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69. Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as 

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70. Which physicists is the writer of the book ‘A Brief History of Time’?

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71. Which of the following have the same unit ?

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72. Kilohertz is a unit which measures 

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73. The Hooke’s law is valid for

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74. Ultrasound devices operate with minimum frequency from   

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75. What is the unit of the physical quantity “Jerk”?  

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76. These waves cannot be transmitted through vacuum.

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77. Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?

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78. Who among the following is credited for the Corpuscular theory of light?  

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79. A standing wave occurs when

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80. A wave with high amplitude have 

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81. The wavelength of a wave is the distance between

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82. Which of the following events occurred first ?   

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83. A micron is equal to 

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84. 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 

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85. Which of the following occurred first ? 

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86. Pycnometer is an instrument used to measure the

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87. Stress can be defined as ________ quantity. 

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88. What is the unit of the physical quantity “Inductance”? 

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89. If the temperature of a place increases suddenly, the relative humidity

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90. What is the range of masses involved in the study of Physics?

 

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91. Intensity of any wave is proportional to which of the following?

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92. Positive feedback is used in 

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93. Which of the following is not a vector quantity? 

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94. In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation 

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95. Which of the following are used for accurately measuring very small time intervals ? 

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96. Why are we able to hear short wave broadcasts better than long wave broadcasts ?

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97. The flux commonly used in brazing is

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98. When a light wave is reflected from a mirror, there is a change in its 

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99. Amount of water vapour in the atmosphere is measured in terms of

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100. Which of the following scientific discoveries was made by C.V. Raman?

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