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

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2. The unit of resistance is:

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3. 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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4. Light waves are:

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

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

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

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

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9. Which quantity has different dimension?

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

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11. Zirconia is classified as:

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

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13. The circuits which implement certain operations are called:

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14. The curie temperature for iron is:

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

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16. Machine parts are jammed due to:

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

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18. The least distance of the distinct vision is:

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

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20. Physics deals with the study of:

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

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22. Magnetic field is as:

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23. 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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24. Which of the following is not the mechanical wave?

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25. Motion of a projectile is:

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

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27. 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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28. Coulomb multiplied by volt gives the unit called:

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

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30. The practical unit of current is:

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

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32. Pascal is a unit of:

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33. Amperean path is a:

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

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35. 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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36. The decrease in velocity per unit time is called:

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

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38. The study of physics involves:

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

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40. The word amorphous means:

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

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42. An avometer can measure:

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

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44. Thermal radiations are type of:

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45. The resistance of the shunt is:

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46. 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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47. Relativistic mechanics was developed by:

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

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

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

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51. Dimension of mass is written as:

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52. What is the appropriate SI unit for distance?

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53. The best conductor is:

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

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55. A simple pendulum is defined as:

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

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

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58. Derived quantities are those which can:

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

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60. The study of physics involves:

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61. Accuracy is defined as:

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62. Force is a:

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63. The path of the projectile is determined by:

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64. The product of force and time is called:

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

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

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67. Types of physical quantities are:

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68. The example of insulator is/are:

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69. 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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70. One volt is defined by one:

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71. 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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72. The rate of change of angular velocity is called:

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73. The unit of resistance is:

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74. Light has:

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75. The irregular flow of the fluid is called:

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76. The unit of resistivity is:

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

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

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

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80. Magnetic lines of force:

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81. Tick the substance which is not ferromagnetic:

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

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83. Which of the following forces is the weakest?

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

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85. An example of chemical property is:

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

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87. Michael Faraday is known by his work on:

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88. The circuits which implement certain operations are called:

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89. The example of conductors is/are:

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90. Newton's ring are formed due to:

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

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

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

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

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

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96. Glycerin has viscosity ______ the viscosity of water,

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97. All motions are:

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98. Which instrument is expensive and difficult to use?

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99. The number of base units in SI are:

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

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