How far does a body falling freely from rest travel in 2 seconds?
Correct answer D. 19.6 m
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Physics MCQs
Page 41 of Physics multiple-choice questions with answers. Tap an option to check yourself.
Page 41 of 45
Which principle explains how a rocket takes off?
Correct answer A. Law of conservation of momentum
A collision between two bodies will be elastic if the bodies are which of the following?
Correct answer A. Solid and hard
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What are the dimensions of force?
Correct answer D. MLT⁻²
What does Newton’s third law of motion explain?
Correct answer A. The existence of pairs of forces in nature
Which quantity is defined by Newton’s first law of motion?
Correct answer A. Force
The inertia of an object is a quantitative measure of which of its properties?
Correct answer C. Mass
Under what condition do the instantaneous and average velocities of a body become equal?
Correct answer A. When it has zero acceleration
The area under a velocity-time graph represents:
Correct answer B. displacement
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A man sits in a car travelling at 36 km/h. What is his speed relative to the car?
Correct answer B. Zero
Which quantity always changes when a body is in motion?
Correct answer C. Its position vector
In which state of matter is linear expansion observed?
Correct answer B. Solids
In what unit is the coefficient of linear or volume expansion expressed?
Correct answer B. K⁻¹
Which expression gives the coefficient of linear expansion?
Correct answer D. ΔL/LΔT
Which formula converts between the Celsius (centigrade) and Fahrenheit scales?
Correct answer D. (F - 32)/9 = C/5
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Which of the following particles has no mass?
Correct answer D. Photon
Who wrote the first book on physics?
Correct answer A. Aristotle
The study of living things falls under which branch of science?
Correct answer A. Biological science
The physics of moving charged particles is known as?
Correct answer D. Electrodynamics
Which branch of science is concerned with the study of living things?
Correct answer B. Biological sciences