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Physics – General – LS

Physics – Set 9

Dear ! This is Physics – Set 9  Quiz and it contains 100 questions.

Happy Learning!

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1. Which of these branches of Physics deal with heat and temperature and their relation to energy and work?   

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2. A pilot has to release the bomb to hit a target

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3. Rise of oil a wick is due to 

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4. Materials for rain proof coats and tents owe their water proof properties to 

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5. Kepler’s law of planetary motion states that the square of the time period is proportional to the

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6. The laws which govern the motion of planets are called ________ 

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7. During the motion of a projectile fired from the earth surface, ________

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8. If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

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9. Surface tension in a liquid is due to :  

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10. What is the minimum velocity required for a rocket to overcome earth’s gravity and travel into space? 

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11. Consider the following statements : 1. There is no net moment on a body which is in equilibrium. 2. The momentum of a body is always conserved. 3. The kinetic energy of an object is always conserved. Which of the statements given above is/are correct?

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12. Rotameter is used to measure

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13. The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. 

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14. Which is evidence that supports the dynamo theory?  

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15. Name the process by which bubbles from liquid are formed?

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16. Soap bubble attains spherical shape due to ________

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17. A spherical ball made of steel when dropped in mercury container

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18. Water from soil enters into the root hairs owing to :

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19. What is the other name of Galileo’s law of falling bodies?

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20. Which one is not a part of Kepler’s Law? 

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21. Fog is an example of

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22. An ice block with a piece of lead embeded in it floats in water. If ice melts the water level

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23. Rain drops acquire spherical shape due to

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24. The characteristic invalid for heat radiation is that it travels :

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25. A person can jump higher on the moon’s surface than on the earth because : 

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26. What will happen if an object is dropped from a height and there is no air resistance?

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27. Should cars have bumpers that collapse under impact?

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28. The mass of a star is two times the mass of the Sun. How it will come to an end ?   

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29. Pieces of camphor placed on water move about rapidly. This is because of

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30. A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by

 

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31. Oil rises up the wick in a lamp because

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32. A liquid disturbed by stirring comes to rest due to

 

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33. The absorption of ink by blotting paper involves

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34. Bubbles of air rise up through liquids due to

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35. The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by

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36. Knot is a measure of

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37. Siphon will fail to work if

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38. A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect?

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39. Which of the following liquids has the least density ?

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40. If cream is removed from milk, its density

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41. If the diameter of a capillary is doubled, then the rise of water in it will be

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42. Pitot tube is used to measure

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43. An aircraft can perform aerobatic manoeuvres in a vertical loop because of  

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44. Which of the following has the highest entropy?

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45. The following particles move with same kinetic energy. Which of them has maximum momentum ?

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46. When a detergent is added to pure water, its surface tension 

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47. The time period of a pendulum when taken to the Moon would: 

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48. The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 

 

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49. The spoon dropped by an astronaut in a satellite will

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50. The large collection of stars, dust and gas held together by gravitational attraction between components is known as

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51. Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ?

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52. The period of revolution of a geostationary satellite is 

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53. Why is weightlessness experienced while orbiting the earth in space ships ? 

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54. In the case of bodies falling under gravity which of the following remains constant at a given place?

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55. According to the theory of relativity, which of the following always remains constant ?

 

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56. In uniform circular motion, the linear velocity is perpendicular to

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57. Who enunciated the laws of planetary motion?   

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58. A falling drop of rain water acquires the spherical shape due to

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59. Who gave the Theory of Relativity?

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60. Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as

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61. Ball pen functions on the principle of :

 

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62. When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ?

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63. A drop of liquid assumes spherical shape because:

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64. An oil drop spreads over water because 

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65. Which of these liquids has the highest viscosity?

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66. What property of matter is momentum related to?

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67. What is unit of Viscosity ? 

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68. Sprayer functions on

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69. The oil in the wick of an oil lamp rises up due to:

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70. The lift of an aeroplane is caused by 

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71. If ice floating on water in a vessel melts, the water level in the vessel ________ .

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72. A body falling through a liquid acquires a steady velocity is known as 

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73. The odometer guage indicates

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74. If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be   

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75. Why the needle of iron swims on water surface when it is kept gently ?

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76. A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?  

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77. The surface tension of water on adding detergent to it

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78. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because

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79. “God Particle” is

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80. Which liquid is the most viscous?

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81. Which of the following instrument is used to measure Soil Water Tension? 

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82. The tidal waves on sea is mainly due to

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83. A needle or a pin floats on the surface of water because of  

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84. Flywheel is an important part of a steam engine because it :

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85. Blotting paper absorbs ink due to

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86. Which of the following is indicated by the colour of a star ?

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87. What is the minimum escape velocity of rocket to be launched into space ? 

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88. If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in

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89. The velocity of falling rain drops attains a terminal value because of 

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90. Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have  

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91. The height of a geo-stationary satellite from the Earth’s surface is approximately : 

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92. Which of the following is a result of Surface tension ?

 

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93. The hair of shaving brush clings together when removed from water due to

 

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94. The swing of a spinning cricket ball in air can be explained on the basis of

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95. The rate of change of linear momentum of a body falling freely under gravity is equal to it’s ________ ?

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96. A small drop of oil spreads over water because : 

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97. Which measurement depends on gravitational force?

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98. A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will

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99. The centre of gravity of a sprinter during the race lies 

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100. Water drops cannot stick to the oily surface due to

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