Free Simple Harmonic Motion MCQs with Answers
466 Simple Harmonic Motion MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Simple harmonic motion is oscillation in which acceleration is directly proportional to displacement and directed toward the equilibrium position. Work includes displacement, velocity, acceleration, phase, period, frequency, amplitude and energy, with applications to springs and simple pendulums. The restoring force and the conditions for SHM distinguish it from general periodic motion.
Last updated
466 questions · page 3 of 24
- A. 20 N
- B. 22 kgm/s²
- C. 24 kgm/s²
- D. 28 N
Explanation: The reading on the spring balance in a lift includes both the force due to gravity and the apparent weight due to the acceleration of the…
Correct answer: 24 kgm/s²- A. remain the same:
- B. increase:
- C. decrease
- D. B, C
Explanation: When only a little mercury is drained from the initially full sphere, the centre of gravity of the remaining mercury shifts downward, so…
Correct answer: increase:- A. Driven harmonic oscillator:
- B. Forced harmonic oscillator:
- C. Simple harmonic oscillators
- D. both a & b
Explanation: Explanation: Both "Driven harmonic oscillator" and "Forced harmonic oscillator" are terminologies used to describe physical systems…
Correct answer: both a & b- A. K.E:
- B. P.E:
- C. zero
- D. both K.E and P.E
Explanation: Explanation: At the mean position of a simple harmonic motion, the kinetic energy (K.E) is maximum and the potential energy (P.E) is also…
Correct answer: both K.E and P.E- A. 2 sec
- B. 2 min
- C. 0.5 Hz
- D. 2.5 sec
Explanation: A second's pendulum has a period of exactly 2 seconds. The frequency (f) of a pendulum is the reciprocal of its period (T), so the…
Correct answer: 0.5 Hz- A. Sine wave
- B. Square wave
- C. Sawtooth wave
- D. Rectangular wave
Explanation: The waveform of Simple Harmonic Motion (S.H.M) is a sine wave. This is because the displacement of the particle executing S.H.M.
Correct answer: Sine wave- A. Electrical
- B. Mechanical
- C. Free
- D. All of these
Explanation: Tuning a radio matches the receiver circuit's natural frequency to the frequency of the incoming signal - an example of electrical…
Correct answer: Electrical- A. Mass of pendulum
- B. Momentum of pendulum
- C. Acceleration of pendulum
- D. Velocity of pendulum
Explanation: The mass of the pendulum remains constant throughout its motion. It does not become zero at any point during the oscillation.
Correct answer: Mass of pendulum- A. Velocity time
- B. Distance time
- C. Acceleration
- D. Amplitude frequency
Explanation: In a heavily damped system, the amplitude of the oscillation decreases rapidly, leading to a fairly flat resonance curve in distance or…
Correct answer: Distance time- A. x0
- B. 2x0
- C. 4x0
- D. Zero
Explanation: In one complete period of Simple Harmonic Motion (S.H.M), the displacement returns to its initial position.
Correct answer: Zero- A. Minimum K.E and minimum P.E
- B. Maximum K.E and minimum P.E
- C. Minimum K.E and maximum P.E
- D. Maximum K.E and maximum P.E
Explanation: At the mean (equilibrium) position of a harmonic oscillator the speed is maximum, so kinetic energy is maximum, while displacement is…
Correct answer: Maximum K.E and minimum P.E- A. 4A/T
- B. 2πA/T
- C. 2A/T
- D. 4Πa/T
Explanation: In Simple Harmonic Motion (S.H.M), the maximum speed Vmax is attained at the equilibrium position (mean position), where the acceleration…
Correct answer: 4Πa/T- A. T/4
- B. T/2
- C. 2T
- D. 4T
Explanation: The period of vibration of a spring-mass system depends only on the mass and the spring constant, not on the amplitude or the load.
Correct answer: 2T- A. 1/4 S
- B. 1/2 s
- C. 2 s
- D. 4 s
Explanation: The period of oscillation of a mass-spring system is given by T=2π(m/K)^1/2 , where m is the mass and k is the spring constant.
Correct answer: 1/2 s- A. 2v
- B. 3v
- C. 4v
- D. v
Explanation: At the mean position of S.H.M, velocity (v) is maximum. If the amplitude is doubled, the maximum velocity at the mean position also…
Correct answer: 4v- A. Straight line
- B. Parabola
- C. Circle
- D. Ellipse
Explanation: The acceleration in Simple Harmonic Motion (S.H.M) is directly proportional to the displacement from the mean position but in the opposite…
Correct answer: Parabola- A. 0.258 m
- B. π/9 m
- C. 25m
- D. None of these
Explanation: In the given equation x=0.258cos(1/8 t), the coefficient of cos(1/8 t) is the amplitude of the oscillation.
Correct answer: 0.258 m- A. √6 sec
- B. 6 s
- C. 1 /√6 s
- D. 6/ √6 s
Explanation: The period T of a simple pendulum is given by the formula T=2π(L/g)^1/2 , where L is the length of the pendulum and g is the acceleration…
Correct answer: √6 sec- A. The time period and frequency
- B. The direction of velocitY
- C. The exchange of energy during motion
- D. None of these
Explanation: One of the basic properties of all oscillatory systems is the relationship between the time period and frequency.
Correct answer: The time period and frequency- A. Remain unaffected
- B. Be shorte
- C. Be longer
- D. May be shorter or longer, depending on the magnitude of acceleration
Explanation: Then the lift starts moving upwards with uniform acceleration, the effective acceleration experienced by the simple pendulum changes.
Correct answer: Be longer