Oscillation — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#25 The period $T$ of a simple pendulum is:
A) $T = \frac{L}{g}$
B) $T = 2\pi\sqrt{\frac{g}{L}}$
C) $T = 2\pi \sqrt{\frac{L}{g}}$
D) $T = \frac{1}{g}$
#26 The frequency $f$ of an oscillator is:
A) $f = \sqrt{T}$
B) $f = T$
C) $f = \frac{1}{T}$
D) $f = T^2$
#27 The period $T$ of a simple harmonic oscillator is related to angular frequency $\omega$ by:
A) $T = 2\pi \omega$
B) $T = \frac{\omega}{2}$
C) $T = \frac{2\pi}{\omega}$
D) $T = \frac{\omega}{2\pi}$
#28 The working principle of a tuning fork is based on:
A) damped oscillations
B) forced oscillation
C) simple harmonic motion
D) resonance
#29 In a pendulum clock, the time period depends on:
A) the length of the pendulum
B) the weight of the pendulum
C) the temperature
D) the amplitude of the pendulum
#30 The principle of operation of musical instruments like guitars is based on:
A) resonance
B) forced oscillations
C) damped oscillations
D) simple harmonic motion
#31 In resonance, the phase difference between the driving force and the oscillating object is:
A) zero
B) ninety degrees
C) one hundred eighty degrees
D) one hundred degrees
#32 In the equation $x(t) = A \cos(\omega t + \phi)$, $\omega$ is:
A) angular frequency
B) velocity
C) amplitude
D) phase constant
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