Physics Multiple Choice Questions and Answers

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Science → MCQs → Physics → Physics Multiple Choice Questions and Answers from 66 to 70

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66. Heat is the transfer of energy from one object to another object because of difference in
(A) volume
(B) temperature
(C) pressure
(D) power

67. An object has mass of 50 kg. What will be its weight at a location where force of gravity is 6 m/s2?
(A) 100 N
(B) 200 N
(C) 300 N
(D) 400 N

68. What is kinetic energy of a particle of mass 2 kg moving with a speed of 20 m/s?
(A) 340 joule
(B) 360 joule
(C) 380 joule
(D) 400 joule

69. A collision in which total kinetic energy is NOT the same before and after the collision is known as
(A) elastic collision
(B) inelastic collision
(C) friction
(D) resistance

70. The SI unit of pressure is
(A) pascal
(B) kelvin
(C) weber
(D) hertz

ANSWERS: PHYSICS MULTIPLE CHOICE QUESTIONS AND ANSWERS
66. (B) temperature
67. (C) 300 N
68. (D) 400 joule
69. (B) inelastic collision
70. (A) pascal