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Vibration mcq. We covered all the Vibration mcq in this post for free so that you can practice well for the exam.
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mcq on Vibration for Students
If a particle undergoes simple harmonic motion, what shape will the velocity vs. displacement graph take?
a) Circle
b) Rectangle
c) Ellipse
d) Straight line
Option c – Ellipse
In simple harmonic motion, at which phase angle are the potential and kinetic energies equal?
a) 30°
b) 60°
c) 90°
d) 45°
Option d – 45°
Two sound waves with wavelengths of 1.00 m and 0.01 m produce 4 beats per second in a gas. What is the speed of sound in the gas?
a) 204 m/s
b) 301 m/s
c) 404 m/s
d) 500 m/s
Option c – 404 m/s
A simple pendulum has a length of 1 m, an amplitude of 0.04 m, and total energy of 0.2 J. What will be its energy if the length is doubled, keeping the amplitude unchanged?
a) 0.05 J
b) 5 J
c) 0.5 J
d) 50 J
Option a – 0.05 J
Sixteen tuning forks are arranged in increasing order of frequency such that each adjacent pair gives 1 beat per second when sounded together. If the final fork gives an octave of the first, what is the frequency of the first fork?
a) 20
b) 60
c) 240
d) 120
Option d – 120
What happens to the speed of sound in air as humidity increases?
a) Increases
b) Decreases
c) Remains constant
d) Fluctuates
Option a – Increases
If the length of a seconds pendulum is increased by 2%, how many seconds will it lose in one day?
a) 864 seconds
b) 3927 seconds
c) 3429 seconds
d) None of the above
Option a – 864 seconds
A particle moves along a straight line, and its velocity v and displacement x from a fixed point satisfy the relation: 4v²=25-x². What is the nature of the motion and its time period?
a) 4 seconds
b) 6 seconds
c) 12 seconds
d) 1 second
Option a – 4 seconds
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