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

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

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

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

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

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7. Which is evidence that supports the dynamo theory?  

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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. Blotting paper absorbs ink due to

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10. Soap bubble attains spherical shape due to ________

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

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12. The tidal waves on sea is mainly due to

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13. The absorption of ink by blotting paper involves

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

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

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16. Who gave the Theory of Relativity?

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

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

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

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

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22. An oil drop spreads over water because 

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

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

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

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26. The period of revolution of a geostationary satellite is 

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

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28. Should cars have bumpers that collapse under impact?

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29. “God Particle” is

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

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31. Rain drops acquire spherical shape due to

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

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34. 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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35. Surface tension in a liquid is due to :  

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36. Rise of oil a wick is due to 

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

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38. Siphon will fail to work if

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

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

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

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

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

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

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

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48. 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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49. A liquid disturbed by stirring comes to rest due to

 

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50. A drop of liquid assumes spherical shape because:

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51. The odometer guage indicates

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52. The lift of an aeroplane is caused by 

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53. Oil rises up the wick in a lamp because

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

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

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

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

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58. Which measurement depends on gravitational force?

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

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60. Which of these liquids has the highest viscosity?

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61. Pitot tube is used to measure

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

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

 

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

 

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

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

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

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68. 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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69. Fog is an example of

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

 

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

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

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

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

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75. Who enunciated the laws of planetary motion?   

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

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

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78. What property of matter is momentum related to?

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

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80. 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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81. Sprayer functions on

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82. Bubbles of air rise up through liquids due to

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

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84. Knot is a measure of

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

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

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

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88. Which liquid is the most viscous?

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

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90. What is unit of Viscosity ? 

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91. Ball pen functions on the principle of :

 

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92. 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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93. If cream is removed from milk, its density

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94. 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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95. Rotameter is used to measure

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

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

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

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

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100. Which of the following has the highest entropy?

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