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.
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466 questions · page 21 of 24
- A. T/3
- B. T
- C. 3T
- D. √3T
Explanation: The time period of a simple pendulum is given by the formula T = 2π√(L/g), where L is the length of the pendulum and g is the acceleration…
Correct answer: T- A. I only.
- B. III only.
- C. I and II.
- D. II and III.
Explanation: The expression kx²/2 is a form of energy that can be interpreted in the context of a simple pendulum's motion.
Correct answer: II and III.- A. Linear
- B. Rotatory
- C. Circulatory
- D. Simple harmonic
Explanation: When a particle moves in a circle with uniform speed and its motion is projected onto a diameter of the circle, the projection exhibits…
Correct answer: Simple harmonic- A. I only.
- B. III only.
- C. I and II.
- D. II and III.
Explanation: The correct answer is III only. Shock absorbers are designed to create damped oscillation.
Correct answer: III only.- A. Increases
- B. Decreases
- C. Becomes zero
- D. Remains the same.
Explanation: The time period of a simple pendulum is determined by the formula T = 2π√(L/g), where L is the length of the pendulum and g is the…
Correct answer: Remains the same.- A. Reduce to half.
- B. Remain the same.
- C. Increase two times.
- D. Decrease four times.
Explanation: The time period of a simple pendulum is given by the formula T = 2π√(L/g), where L is the length of the pendulum and g is the acceleration…
Correct answer: Remain the same.- A. Free oscillation.
- B. Forced oscillation.
- C. Damped oscillation.
- D. Undamped oscillation.
Explanation: The correct answer is damped oscillation. Shock absorbers are designed to reduce the amplitude of vibrations caused by uneven surfaces by…
Correct answer: Damped oscillation.- A. Be zero.
- B. Be minimum.
- C. Be maximum.
- D. Remain constant.
Explanation: In the oscillation of a simple pendulum, energy is continuously exchanged between kinetic and potential forms.
Correct answer: Be maximum.- A. Prongs of a tuning fork.
- B. Bob of a simple pendulum.
- C. Motion of a child on a swing.
- D. Vibrating wire of a sonometer.
Explanation: Free oscillation refers to the motion of a system that occurs at its natural frequency after an initial disturbance, without any external…
Correct answer: Motion of a child on a swing.- A. I and III
- B. I and IV.
- C. II and III.
- D. II and IV.
Explanation: The period of a simple pendulum is given by the formula T = 2π√(L/g), where T is the time period, L is the length of the pendulum, and g…
Correct answer: II and III.- A. Increase
- B. Decrease
- C. Become zero
- D. Remain constant
Explanation: The correct answer is Option B:decrease. The frequency of a simple pendulum is inversely related to the square root of its length.
Correct answer: Decrease- A. The kinetic energy is maximum at both positions.
- B. The kinetic energy is zero at both positions.
- C. The kinetic energy is zero at the extreme position and maximum at the mean position.
- D. The kinetic energy is maximum at the extreme position and zero at the mean position.
Explanation: When the bob of a simple pendulum is at its extreme position, it momentarily stops before changing direction, causing its kinetic energy…
Correct answer: The kinetic energy is zero at the extreme position and maximum at the mean position.- A. T/2
- B. T
- C. 2T
- D. infinite
Explanation: When the elevator falls freely, it is in a state of free fall, meaning both the elevator and the pendulum are accelerating downwards at…
Correct answer: infinite- A. 0.405 s
- B. 1.269 s
- C. 2.007 s
- D. 12.44 s
Explanation: The time period of a simple pendulum is determined by the formula \( T = 2\pi\sqrt{\frac{L}{g}} \), where \( L \) is the length of the…
Correct answer: 1.269 s- A. Become zero.
- B. Remain the same.
- C. Decrease four times.
- D. Increase.
Explanation: The time period of a simple pendulum is given by the formula T = 2π√(L/g), where L is the length of the pendulum and g is the acceleration…
Correct answer: Increase.- A. Option A: A sinusoidal graph showing periodic variation.
- B. Option B: A parabolic graph showing a squared relation.
- C. Option C: A linear graph showing a direct proportion.
- D. Option D: A constant graph showing no variation.
Explanation: The correct answer is Option B. In simple harmonic motion, the kinetic energy (KE) of a particle is given by the equation KE = (1/2)mv²…
Correct answer: Option B: A parabolic graph showing a squared relation.- A. Beats.
- B. Resonance.
- C. Free oscillations.
- D. Forced oscillations.
Explanation: The correct answer is forced oscillations. When a force is repeatedly applied to an oscillator, it causes the system to oscillate at the…
Correct answer: Forced oscillations.- A. 0.25 m.
- B. 0.50 m.
- C. 1.00 m.
- D. 2.00 m.
Explanation: T = 2π√(L/g)Where: * T = Time period = 1 s * L = Length of the pendulum (what we need to find) * g = Acceleration due to gravity = 10 m/s²…
Correct answer: 0.25 m.- A. 0 s
- B. 1 s
- C. 2 s
- D. ∞
Explanation: When an elevator falls freely towards the Earth, the effective acceleration due to gravity (g_effective) inside the elevator becomes zero.
Correct answer: ∞- A. 0.996 m.
- B. 1.282 m.
- C. 1.992 m.
- D. 3.120 m.
Explanation: T = 2π√(L/g)Where: * T = Time period = 2 s * L = Length of the pendulum (what we need to find) * g = Acceleration due to gravity = 9.8…
Correct answer: 0.996 m.