Physics MCQs

Physics

Oscillation


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#33

The condition for critical damping is:

A) $\zeta = 1$

B) $\zeta = 0$

C) $\zeta < 1$

D) $\zeta > 1$

Answer:   A
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#34

The equation of motion for SHM is:

A) $F = -mv^2$

B) $F = ma$

C) $F = -kx$

D) $F = m\omega^2$

Answer:   C
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#35

The principle of operation of musical instruments like guitars is based on:

A) damped oscillations

B) simple harmonic motion

C) forced oscillations

D) resonance

Answer:   D
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#36

In SHM, the total mechanical energy is:

A) constant

B) increasing with time

C) decreasing with time

D) zero

Answer:   A
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#37

In the equation $x(t) = A \cos(\omega t + \phi)$, $\omega$ is:

A) angular frequency

B) phase constant

C) velocity

D) amplitude

Answer:   A
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#38

In damped oscillations, the amplitude:

A) decreases with time

B) depends on temperature

C) remains constant

D) increases with time

Answer:   A
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#39

The working principle of a tuning fork is based on:

A) simple harmonic motion

B) forced oscillation

C) damped oscillations

D) resonance

Answer:   D
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#40

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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