Physics GK Questions and Answers

1.Which physicist is known for the equation F = ma?

2.What is the SI unit of force?

3.Which physicist proposed the uncertainty principle?

4.What is the speed of light in vacuum?

5.Which law of thermodynamics states that energy cannot be created or destroyed?

6.What particle is exchanged in the electromagnetic force?

7.Which physicist developed the general theory of relativity?

8.What is the SI unit of electrical resistance?

9.What phenomenon explains why the sky appears blue?

10.Which subatomic particle has a neutral electrical charge?

11.What is the Doppler effect?

12.What is the SI unit of force?

13.Which physicist proposed the uncertainty principle?

14.What is the speed of light in vacuum?

15.Which law of thermodynamics states that energy cannot be created or destroyed?

16.What particle is exchanged in the electromagnetic force?

17.Which physicist developed the general theory of relativity?

18.What is the SI unit of electrical resistance?

19.What phenomenon explains why the sky appears blue?

20.Which subatomic particle has a neutral electrical charge?

21.What is the Doppler effect?

22.Which physicist is known for the equation F = ma?

23.What is the unit of electric current?

24.Which material has the highest electrical conductivity at room temperature?

25.Which particle is responsible for carrying the strong nuclear force?

26.What is the phenomenon where light changes direction when passing between different media?

27.Which physicist proposed the quantum theory of light?

28.What is absolute zero in degrees Celsius?

29.Which scientist formulated the laws of planetary motion?

30.What is the SI unit of energy?

31.Which elementary particle was predicted by Paul Dirac and discovered in 1932?

32.Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?

33.What is the SI unit of magnetic flux density?

34.Which physicist is known for developing the equation E=hf for electromagnetic radiation?

35.What is the principle behind magnetic resonance imaging (MRI)?

36.Which physicist discovered radioactivity?

37.What is the name of the effect where a changing magnetic field induces an electric current?

38.Which particle is its own antiparticle?

39.What is the law of conservation of momentum?

40.Which scientist is credited with discovering X-rays?

41.What is the SI unit of power?

42.Which principle states that it's impossible to know both the position and momentum of a particle with perfect precision?

43.What is the phase change when a solid directly becomes a gas?

44.Which physicist first proposed the existence of antimatter?

45.What is the SI unit of frequency?

46.Which law of thermodynamics states that entropy in an isolated system always increases?

47.What is the term for the minimum energy needed to start a chemical reaction?

48.Which physicist developed the theory of black body radiation?

49.What causes the northern and southern lights (auroras)?

50.What is the SI unit of pressure?

51.Which physicist is known for the experiment that disproved the plum pudding model of the atom?

52.What is the equation for Einstein's mass-energy equivalence?

53.Which physical quantity is measured in candela?

54.Who discovered the neutron?

55.What is the SI unit of capacitance?

56.Which phenomenon demonstrates the wave-particle duality of light?

57.What is the name of the hypothetical particle that mediates gravitational force?

58.Which physicist formulated the laws of electrolysis?

59.What is the SI unit of inductance?

60.Which physicist introduced the concept of wave function?

61.What is the Coriolis effect?

62.Which experiment demonstrated the wave nature of electrons?

63.What is the study of heat and its relation to energy called?

64.Which physicist developed the Pauli exclusion principle?

65.What is the ratio of a circle's circumference to its diameter called?

66.What do superconductors exhibit when cooled below their critical temperature?

67.Which scientist developed the concept of 'fields' in physics?

68.What is the branch of physics dealing with the behavior of matter at very low temperatures?

69.Which physics principle states that objects at rest stay at rest unless acted upon by an external force?

70.What is the process called when a liquid changes into a gas below its boiling point?

71.Which type of mirror can produce both real and virtual images?

72.What is the principle behind magnetic levitation trains?

73.Which equation describes the relationship between electric field and magnetic field in vacuum?

74.What causes the colors in soap bubbles?

75.What principle explains why ice floats in water?

76.Which device is used to detect and measure ionizing radiation?

77.What is the property of certain materials to generate an electric field when subjected to mechanical stress?

78.Which phenomenon causes light to bend around obstacles?

79.Which physicist is known for the development of superconductivity theory?

80.What is the term for a body that absorbs all incident electromagnetic radiation?

81.Which phenomenon explains the red shift observed in distant galaxies?