On a vibrating string, what are the points of maximum amplitude called?
Correct answer A. Antinodes
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Physics MCQs
Page 40 of Physics multiple-choice questions with answers. Tap an option to check yourself.
Page 40 of 45
What name is given to the distance between two successive crests or two successive troughs of a wave?
Correct answer B. Wavelength
What do waves carry from one place to another?
Correct answer B. Energy
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How do the ranges of a projectile launched at 30° and at 60° compare?
Correct answer B. Equal to each other
What shape is the path followed by a projectile?
Correct answer D. Parabola
A body starts from rest with uniform acceleration a. What distance does it cover in time t?
Correct answer A. at²/2
In the absence of gravity, what can be said about the thrust on a rocket?
Correct answer B. Constant if the rate of ejected gases is constant
If the collisions between bodies in a system are inelastic, what happens for the system?
Correct answer C. K.E. changes but momentum is conserved
A long jumper sprints before taking off. What does this run-up achieve?
Correct answer C. It increases his momentum
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A motorcycle safety helmet lengthens the time of a collision. What does this reduce?
Correct answer A. Force acting
When a body travels along a straight line, its displacement is equal to which quantity?
Correct answer A. Distance
On which factors does the momentum of a body depend?
Correct answer D. Both the mass and the velocity of the body
Newton’s second law of motion provides the definition of which quantity?
Correct answer A. Force
For which particles do Newton’s laws of motion fail to hold?
Correct answer C. Particles moving with a velocity comparable to that of light
What does the slope of a velocity-time graph represent?
Correct answer C. Acceleration
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What can be concluded when a velocity-time graph is a straight line parallel to the time axis?
Correct answer B. Acceleration is zero
If a body moves with uniform velocity, which of the following changes?
Correct answer B. Displacement from origin changes
The rate of change of momentum with time is equal to which quantity?
Correct answer A. Force
At what angle of projection does a projectile achieve its maximum range?
Correct answer A. 45°
The flight of a rocket through space illustrates which law?
Correct answer C. Third law of motion