Physics MCQs

Physics

Oscillation


Page 15 of 25

#113

The equation of motion for SHM is:

A) $F = -kx$

B) $F = m\omega^2$

C) $F = ma$

D) $F = -mv^2$

Answer:   A
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#114

In a pendulum clock, the time period depends on:

A) the amplitude of the pendulum

B) the weight of the pendulum

C) the length of the pendulum

D) the temperature

Answer:   C
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#115

The frequency $f$ of an oscillator is:

A) $f = \sqrt{T}$

B) $f = T^2$

C) $f = T$

D) $f = \frac{1}{T}$

Answer:   D
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#116

In free oscillations, the system:

A) oscillates with external force

B) does not oscillate

C) has diminishing amplitude

D) oscillates without external force

Answer:   D
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#117

The restoring force for a simple harmonic oscillator (spring) is given by:

A) $F = -k/x$

B) $F = -kx$

C) $F = -mg$

D) $F = ma$

Answer:   B
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#118

The working principle of a tuning fork is based on:

A) damped oscillations

B) resonance

C) forced oscillation

D) simple harmonic motion

Answer:   B
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#119

Which of the following oscillations is characterized by a constant amplitude?

A) Damped oscillation

B) Forced oscillation

C) Free oscillation

D) Periodic oscillation

Answer:   C
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#120

The period $T$ of a simple pendulum is:

A) $T = \frac{1}{g}$

B) $T = 2\pi \sqrt{\frac{L}{g}}$

C) $T = 2\pi\sqrt{\frac{g}{L}}$

D) $T = \frac{L}{g}$

Answer:   B
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Page 15 of 25