Physics MCQs

Physics

Oscillation


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#129

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

A) $F = -kx$

B) $F = ma$

C) $F = -k/x$

D) $F = -mg$

Answer:   A
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#130

The amplitude of an oscillating system at resonance:

A) becomes zero

B) remains constant

C) decreases

D) increases significantly

Answer:   D
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#131

The period $T$ of a simple harmonic oscillator is related to angular frequency $\omega$ by:

A) $T = \frac{\omega}{2}$

B) $T = \frac{2\pi}{\omega}$

C) $T = \frac{\omega}{2\pi}$

D) $T = 2\pi \omega$

Answer:   B
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#132

The condition for critical damping is:

A) $\zeta < 1$

B) $\zeta > 1$

C) $\zeta = 0$

D) $\zeta = 1$

Answer:   D
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#133

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

A) Damped oscillation

B) Free oscillation

C) Forced oscillation

D) Periodic oscillation

Answer:   B
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#134

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

A) $F = -kx$

B) $F = -k/x$

C) $F = -mg$

D) $F = ma$

Answer:   A
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#135

The potential energy in SHM is maximum when:

A) The time is maximum

B) The acceleration is maximum

C) The velocity is maximum

D) The displacement is maximum

Answer:   D
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#136

The time period of a simple pendulum is:

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

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

C) $T = 2\pi L g$

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

Answer:   D
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