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Physics – General – LS

Physics – Set 10

Dear ! This is Physics – Set 10  Quiz and it contains 100 questions.

Happy Learning!

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1. The commonly used coolant in refrigerators is 

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2. Analog synthesis refers to a technology based on

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3. The weight of a body acts through the centre of 

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4. When a person sitting on a swing stands up on the swing, the frequency of oscillation

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5. The average kinetic energy of the molecules of an ideal gas is directly proportional to

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6. Energy in reflected light :

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7. Which of the metals has the maximum thermal conductivity? 

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8. Which one of the following physical quantities has the same dimensions as that of Planck’s constant?  

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9. Which of the following is correct about the properties of Gravitational Forces? 

 

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10. The dimension of Planck constant equals to that of

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11. The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by 

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12. Relative humidity is expressed as

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13. An ideal gas cannot be

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14. The humidity of the air depends upon

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15. The velocity of heat radiation in vacuum is  

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16. Which of the following device is used to measure humidity?

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17. A real gas can act as an ideal gas in

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18. The recoiling of gun is an example of which of the following?

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19. In a refrigerator what produces the cooling ?

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20. Which of the following is not reversible?

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21. Liquids and gases never show

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22. Instruments for measuring Solar Radiation?

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23. A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

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24. Steel is more elastic than rubber because it : 

 

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25. The ”four stroke petrol engine’ is based on 

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26. A system exhibiting S.H.M. must possess 

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27. The three famous law of Kepler is related to

 

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28. The spring constant of a spring depends on its 

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29. A cycle tyre bursts suddenly. This represents an :

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30. According to special theory of relativity the mass of a particle

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31. Water will not be vapourised if 

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32. Which one of the following is not a feature of Indifference Curve?   

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33. The value of coefficient of restitution in perfectly elastic collision is

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34. Which one of the following is a non-dimensional quantity?  

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35. The first law of thermodynamics is simply the case of   

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36. The ”Greenhouse effect’ is mainly due to increase in atmospheric

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37. Conservation of energy refers to the fact that   

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38. Which phase change is an example of an exothermic process?

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39. The term ”equinox’ means   

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40. Boyle’s law is a relationship between

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41. ________ 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.   

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42. The dimensional formula ML–1T–2 corresponds to

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43. Which of the following devices can be used to detect radiant heat ?

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44. Stars are held together by

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45. The combined gas law relates which of the following? 

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46. The term ”Isoneph’ indicates the lines of equal

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47. Refrigeration is a process which

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48. In a refrigerator, the cooling system should always be 

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49. Which set of conditions represents the easiest way to liquify a gas ?

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50. ‘Parsec’ is the unit measurement of

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51. Bolometer is used to measure 

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52. The Law of Kepler is related with which among the following ? 

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53. Which of the following principle is used to produce ”low-temperatures’ ? 

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54. Thermohaline circulation is mainly due to 

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55. Which planet has the lowest density? 

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56. Which of the following options correctly explains the term heat budget? 

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57. The sensation of weightlessness in a spacecraft in an orbit is due to the

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58. Even after sunset, the air near the Earth’s surface continue to receive heat due to

 

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59. 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?

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60. Shock-absorbers are usually made of steel as it : 

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61. Intensity of gravitational field of earth is maximum at 

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62. ‘Farad’ is the unit of :

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63. The instrument that measures and records the relative humidity of air is

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64. Charles’s law is based on

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65. Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?

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66. We always see the same face of the moon, because 

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67. In a diesel engine the high temperature needed to ignite the fuel is achieved by 

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68. Which law relates to the ideal gas law? 

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69. The wavelength at which the peak of intensity of blackbody radiation occurs 

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70. Which has the lowest albedo?

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71. Which of the following causes adiabatic temperature changes in atmosphere?

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72. In a Carnot engine when heat is taken from the source, its temperature   

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73. The instrument used to see the distant objects on the Earth is

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74. If the spinning speed of the earth is increased then the weight of body at the equator

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75. Boyle’s law relates to

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76. Blowing Air with open pipe is an example of : 

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77. In the absence of the earth’s atmosphere, sky would appear

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78. For accurate scientific work, temperatures are often measured by

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79. Heat transfer horizontally within the atmosphere is called

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80. Super cooling stands for cooling of a liquid : 

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81. If an empty cylinder is half filled with a liquid, its center of gravity is

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82. The oil in the wick of lamp rises due to

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83. Temperature of distant luminous bodies can be determined by

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84. The primary agent of contact metamorphism is 

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85. The spring balance works on the principle of ________ . 

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86. A bomb explodes on the moon. You will hear its sound on earth after ________

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87. If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?  

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88. In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?

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89. If the earth suddenly stop rotating, the value of “g” will be  

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90. In a freezer ice cubes will be formed more quickly in trays made of   

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91. What is the escape velocity of the rocket in the earth?

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92. Which of the following is an example of simple harmonic motion? 

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93. Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: 

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94. Number of lattices in the orthorhombic system is

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95. When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?

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96. In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? 

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97. The minimum number of geostationary satellites needed for uninterrupted global coverage is :

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98. Supercooling is cooling of liquid ________

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99. Which is the point from where an azimuth originates?

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100. The different colours of different stars are due to the variation of

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