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

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2. Why does the sea appear blue in colour?

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

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4. ‘Mirage’ is an example of

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

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6. Which colour has the highest energy?

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

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

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

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10. The sky appears blue because

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11. Solar cells work on the principle of

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

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

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

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15. Electrostatic precipitator is used to control the pollution of

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16. Which color deviates highest when passing through a Prism

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17. Hydro-electric power is a:

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18. The sky appears blue because of

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

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

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

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22. Total number of colours exists in sunlight

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

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

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25. Dioptre is the unit of

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

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

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

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

 

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

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

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

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33. Danger signals are generally red as red light

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34. Wind and solar energy are examples of

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35. The energy emitted by the Sun is due to

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36. Which resource is both renewable and inexpensive?

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37. Lens is made up of

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38. A concave lens always forms an image which is

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39. Which colour is the complementary colour of yellow ?

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40. Mist is caused by

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41. Light scattering takes place in

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

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

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44. The Solar energy produced by

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45. Which color deviates least when passing through a Prism

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

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

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48. A pond of water appears less deep due to

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49. 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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50. What colour does blue and yellow make?

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

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52. What type of lens is a magnifying glass?

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

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54. Refractive Index of glass with respect to water is

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

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56. Red light is used for signals because it has

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57. The oldest type of energy known to man is

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

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

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

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61. 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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62. Hot springs are heated geothermally by underlying

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

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

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65. 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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66. Mirage is due to

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

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

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69. What is refractive index ?

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70. Land is considered a resource because it

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71. The blue colour of sky is due to

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

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

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74. Which Color has the Longest Wavelength?

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75. Which colour has the highest frequency?

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76. Energy that is produced commercially from coal is called

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

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78. The washing machine works on the principle of

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

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80. A concave lens always forms

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

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82. Which alternative energy source is exhaustible?

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

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

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

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86. Rainbows are produced when sunlight :

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87. What is the reason for twinkling of stars ?

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88. Where does hydroelectric energy come from?

 

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

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

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91. Solar energy is due to

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92. Lens is made up of

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

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95. Microphone is a device which transforms the

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

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97. A star appears twinkling in the sky because of

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98. Stars in the sky appear to twinkle due to

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

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100. The colour of sky appears blue due to

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