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# Important 100 Physics Questions Quiz Online Basic Info Test with Answers for Practice

To test and also improve your general knowledge about various concepts of Physics, you can attempt the following mega quiz which includes 100 important mcq’s questions and answers about the subject. If you are able to score good marks in this quiz then you will definitely be able to achieve good marks in any exam related to Physics.

## Important 100 Physics Questions Quiz Online Basic Info Test with Answers for Practice

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## Mega Quiz

1. The decrease in velocity per unit time is called:

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2. If you heat a 5 L balloon from a temperature of 250 C to 500 C, its new volume will be:

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3. The circuits which implement certain operations are called:

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4. In right hand rule, the direction of the product vector will be?

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5. A certain engine converts 20% of available heat energy into work. Then its efficiency will be:

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6. Hotness or coldness of an object is represented in term of:

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7. All motions are:

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8. If the distance between two charges is doubled, the force between them will become:

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9. Zirconia is classified as:

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10. A _______ lens is used in the apparatus to get Newton's ring.

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11. Newton's second law of motion is also called:

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12. Magnetic field is as:

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13. First law of thermodynamics is merely a statement of law of conservation of:

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14. Absolute zero is considered as that temperature at which:

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15. Magnetic flux density at any point due to current carrying conductor can be computed by:

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16. If 10 mL of a gas is at a pressure of 1 atm and we doubled the pressure, the new volume of the gas will be:

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17. When the vectors are mutually perpendicular then their scalar product is:

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18. It is desired to increase the frequency of a vibrating string from 50 hertz to 200 hertz. This can be done by increasing the tension of the string:

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19. Amperean path is a:

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20. The circuits which implement certain operations are called:

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21. The study of physics involves:

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22. Maximum amount of light passes when polarize and analyzer are oriented such that they are:

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23. The voltmeter can read the correct potential difference only when the current drawn by it from the circuit is:

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24. Glycerin has viscosity ______ the viscosity of water,

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25. The initial velocity with which a body projected upward and never comes back is called?

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26. The kinetic energy of gas molecules is directly proportional to:

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27. Machine parts are jammed due to:

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28. Force is a:

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29. A thin film is a transparent medium whose thickness with the wavelength of light are:

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30. Which instrument is expensive and difficult to use?

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31. Light waves are:

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32. Physics is an important and basic part of physical sciences which is a:

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33. Michael Faraday is known by his work on:

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34. First law of thermodynamics is merely a statement of law of conservation of:

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35. The shortest distance between two pints directed from its initial point to final point is called:

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36. The gate will recognize the voltage as high or 1, if the voltage applied to the gate is:

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37. Tick the substance which is not ferromagnetic:

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38. Motion of a projectile is:

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39. An example of chemical property is:

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40. The example of insulator is/are:

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41. If f = 5 cm and d = 25 cm then the magnification will be:

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42. The property of fluids due to which they resist their own flow is called:

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43. The best conductor is:

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44. When X-rays are scattered by loosely bound electrons from a graphite target, it is known as:

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45. An avometer can measure:

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46. Pascal is a unit of:

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47. The distance covered by the wave during one period is called its:

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48. Which of the following is not the mechanical wave?

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49. Polarized light is the one which has its vibrations:

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50. The S.I. unit of angular displacement is:

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51. Interference can be produced with the help of two independent sources if the waves coming from them have same:

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52. Magnetic lines of force:

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53. One volt is defined by one:

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54. The kinetic energy of gas molecules is directly proportional to:

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55. Fog droplets are suspended in air when their weight is balanced by:

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56. Light which has the same property in all the directions of vibrations is called:

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57. Relativistic mechanics was developed by:

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58. The practical unit of current is:

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59. Thermal radiations are type of:

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60. If I have a 200 L container filled with nitrogen at a pressure of 1.0 atm, how many moles of nitrogen are present at 250 C?

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61. Which of the following forces is the weakest?

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62. The temperature at which all the gases become liquid is called:

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63. Dimension of mass is written as:

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64. The positions of two aeroplanes at any instant are at A (2, 3, 4) and B (5, 6, 7) from the origin in km. Find the distance between two aeroplanes.

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65. The unit of resistivity is:

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66. The resistance of the shunt is:

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67. Derived quantities are those which can:

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68. Types of physical quantities are:

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69. A ball is dropped from a height of 4.2 metres. To what height will it rise if there is no loss of KE after rebounding?

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70. Newton's ring are formed due to:

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71. The path of the projectile is determined by:

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72. Coulomb multiplied by volt gives the unit called:

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73. Astrophysics is a branch of physics, which deals with:

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74. Accuracy is defined as:

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75. In order to check the correctness of an equation, we are to show that _____ of the quantities on _____ side/sides of the equation are ______.

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76. The rate of change of angular velocity is called:

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77. The unit of resistance is:

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78. Which quantity has different dimension?

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79. Number of spark plugs needed in diesel engine is:

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80. The study of physics involves:

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81. The example of conductors is/are:

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82. The curie temperature for iron is:

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83. The number of base units in SI are:

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84. Normally, the blood pressure (torr unit) in a healthy human body varies from:

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85. A simple pendulum is defined as:

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86. The unit of resistance is:

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87. The least distance of the distinct vision is:

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88. The product of force and time is called:

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89. What is the appropriate SI unit for distance?

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90. The word amorphous means:

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91. Physics deals with the study of:

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92. The Nobel Prize on the explanation of photoelectric effect was awarded to:

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93. By the pull of moon, the land up and down by as much as

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94. A bomber drops its bomb when it is vertically above the target. It misses the target due to:

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95. The transition from solid to liquid is actually from:

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96. Drag force increases if speed of the object moving through the fluid:

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97. A pulse on a string is inverted when it is reflected from:

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98. How many significant figures are present in the number 10, 450?

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99. The irregular flow of the fluid is called:

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100. Light has:

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