Oscillation — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#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) $T = 2\pi m k$
#146 The equation of motion for SHM is:
A) $F = -mv^2$
B) $F = ma$
C) $F = -kx$
D) $F = m\omega^2$
#147 At the maximum displacement in SHM, the velocity is:
A) undefined
B) zero
C) half of maximum
D) maximum
#148 In the equation $x(t) = A \cos(\omega t + \phi)$, $\omega$ represents:
A) velocity
B) amplitude
C) angular frequency
D) phase constant
#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) $T = 2\pi \omega$
#150 In the equation $x(t) = A \cos(\omega t + \phi)$, $\omega$ represents:
A) amplitude
B) angular frequency
C) phase constant
D) velocity
#151 In vibratory motion
A) P.E. remains constant
B) K.E. remain constant
C) Total energy remains constant
D) All of these
#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
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