Physics MCQs

Physics

Oscillation


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#9

In damped oscillations, the amplitude:

A) depends on temperature

B) remains constant

C) increases with time

D) decreases with time

Answer:   D
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#10

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

A) $F = -mg$

B) $F = -kx$

C) $F = ma$

D) $F = -k/x$

Answer:   B
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#11

The time period of a simple pendulum is:

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

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

C) $T = 2\pi L g$

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

Answer:   D
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#12

The equation for period of oscillation of a spring is:

A) $T = \sqrt{\frac{m}{k}}$

B) $T = 2\pi \sqrt{\frac{m}{k}}$

C) $T = \frac{m}{k}$

D) $T = 2\pi m k$

Answer:   B
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#13

In SHM, the total mechanical energy is:

A) constant

B) decreasing with time

C) zero

D) increasing with time

Answer:   A
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#14

At the maximum displacement in SHM, the velocity is:

A) zero

B) undefined

C) maximum

D) half of maximum

Answer:   A
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#15

The potential energy in SHM is maximum when:

A) The acceleration is maximum

B) The displacement is maximum

C) The velocity is maximum

D) The time is maximum

Answer:   B
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#16

In damped oscillations, the amplitude:

A) decreases with time

B) depends on velocity

C) remains constant

D) increases with time

Answer:   A
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