Physics MCQs

Physics

Oscillation


Page 19 of 25

#145

The equation for period of oscillation of a spring is:

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

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

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

D) $T = 2\pi m k$

Answer:   B
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#146

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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#147

At the maximum displacement in SHM, the velocity is:

A) undefined

B) zero

C) half of maximum

D) maximum

Answer:   B
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#148

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

A) velocity

B) amplitude

C) angular frequency

D) phase constant

Answer:   C
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#149

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

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

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

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

D) $T = 2\pi \omega$

Answer:   B
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#150

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

A) amplitude

B) angular frequency

C) phase constant

D) velocity

Answer:   B
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#151

In vibratory motion

A) P.E. remains constant

B) K.E. remain constant

C) Total energy remains constant

D) All of these

Answer:   D
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#152

If a spring is halved then the spring constant of each half will be

A) 3 k

B) 2 k

C) 4 k

D) k/2

Answer:   D
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