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Physics – General – LS

Physics – Set 7

Dear ! This is Physics – Set 7  Quiz and it contains 100 questions.

Happy Learning!

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1. The energy emitted by the Sun is due to

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2. Which one of the following processes is responsible for the glittering of air bubble rising through water?

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3. Total number of colours exists in sunlight

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4. The washing machine works on the principle of

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5. Which of the following is a Non Renewable Resource of Energy?

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6. Wind and solar energy are examples of

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7. The oldest type of energy known to man is

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8. Sun appears red in colour at sunrise and sunset due to

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9. The phenomenon of change in direction of light when it passes from one medium to another is called

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10. Which combination of colour is the most convenient during day and night time ?

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11. The blue colour of sky is due to

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12. Solar energy is due to

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13. ‘Mirage’ is an example of

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14. The phenomenon of light associated with the appearance of blue colour of the sky is

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15. A concave lens always forms

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16. Which of the following colour of light deviates least through the prism?

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17. Lens is made up of

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18. When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is

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19. Refractive Index of glass with respect to water is

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20. The sky appears blue because of

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21. Dioptre is the unit of

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22. The splitting of white light into its components is due to:

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23. Vehicles use ________ to see the objects coming from behind.

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24. The basic reason for the extraordinary sparkle of suitably cut diamond is that

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25. The splitting of different colours of light in a prism is :

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26. What type of lens is used in a magnifying glass

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27. Which of the following statements is true when we see ”rainbow’ ?

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28. Light scattering takes place in

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29. Which of the following is used to split white light into different colours ?

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30. Mirage is due to

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31. A concave lens always forms an image which is

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32. The colour of the ocean appears to be blue because the sunlight falling on it is

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33. Which Color has the Longest Wavelength?

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34. A star appears twinkling in the sky because of

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35. The Solar energy produced by

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36. Time of exposure required for taking photograph of an object depends upon the

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37. The refractive index of a transparent medium is maximum for

 

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38. Why does the sea appear blue in colour?

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39. Danger signals are generally red as red light

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40. In sunlight a rose appears red. In green light, the same rose appears

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41. Which color deviates least when passing through a Prism

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42. Which colour has the highest frequency?

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43. Electrostatic precipitator is used to control the pollution of

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44. Mist is caused by

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45. What type of lens is a magnifying glass?

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46. A water tank appears shallower when it is viewed from top due to

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47. Microphone is a device which transforms the

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48. Which of the following is a non renewable source of energy ?

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49. If a body moves with a constant speed in a circle

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50. Which alternative energy source is exhaustible?

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51. The part of the eye having the largest refractive index is :

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52. What is the source of energy for the water cycle?

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53. Which of the following is a renewable resource of energy?

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54. Energy that is produced commercially from coal is called

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55. The group of solar cells joined together in a definite pattern is called a

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56. Where does hydroelectric energy come from?

 

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57. The blue colour of water in the sea is due to

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58. Which resource is both renewable and inexpensive?

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59. The bending of light when it passes around a corner or a slit is due to ________

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60. How much calorie of energy is released by a boiled egg ?

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61. What is the reason for twinkling of stars ?

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62. Land is considered a resource because it

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63. Which of the following is the cleanest source of energy?

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64. Stars appear twinkling because of ……… of light.

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65. The absolute refractive index of any medium is always:

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66. Stars in the sky appear to twinkle due to

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67. A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

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68. Rainbows are produced when sunlight :

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69. Which colour is the complementary colour of yellow ?

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70. Which of the following is a renewable source of energy

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71. The source of the Sun’s energy is the process of

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72. Hydro-electric power is a:

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73. Why does water tank appear shallower when viewed from the top?

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74. Conversion of heat into electrical energy is achieved by using :

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75. Hot springs are heated geothermally by underlying

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76. Red light is used for signals because it has

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77. A thin oil film on a water surface appears coloured because of

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78. During washing of clothes, we use indigo due to its

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79. A pond of water appears less deep due to

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80. Bending of light rays in denser medium is termed as:

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81. When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

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82. What is refractive index ?

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83. A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum:

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84. The colour of sky appears blue due to

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85. What colour does blue and yellow make?

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86. Which one of the following determines the sharpness of image in a camera ?

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87. Which of the following uses a Non Renewable Energy Source?

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88. Which of these travels in glass with minimum velocity ?

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89. Which of the following is not caused by atmospheric refraction of light ?

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90. Solar cells work on the principle of

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91. The energy that generates wind comes from what source?

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92. The sky appears blue because

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93. Red is used as an emergency or danger signal as

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94. An object which absorbs all colours and reflects none appears:

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95. Which one of the following instruments is used to study dispersion of light ?

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96. Lens is made up of

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97. The increasing order of the refractive index of certain materials is (left to right) ________

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98. Which color deviates highest when passing through a Prism

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99. Which colour has the highest energy?

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100. Which one of the following is responsible for the working of Newton’s colour disc experiment ?

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