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 5 of 24
- A. 0.5 Hz
- B. 1 Hz
- C. 2 Hz
- D. 4 Hz
Explanation: A second's pendulum takes two seconds to complete one full oscillation.
Correct answer: 0.5 Hz- A. T/sq root 2
- B. T/2
- C. T/3
- D. T/4
Explanation: The time period of a simple pendulum is given by:T = 2π√(L/g)where:T is the time periodL is the length of the pendulumg is the…
Correct answer: T/sq root 2- A. 2 T
- B. 3 T
- C. 4 T
- D. 5 T
Explanation: The time period of a simple pendulum is given by:T = 2π√(L/g)where:T is the time periodL is the length of the pendulumg is the…
Correct answer: 2 T- A. Be static
- B. Oscillate
- C. Attain max acceleration
- D. Continue its motion till the other end and stop
Explanation: When a ball is dropped into a hole dug to the center of the earth, it will experience a force due to gravity that is proportional to its…
Correct answer: Attain max acceleration- A. Mass
- B. Acceleration due to gravity g
- C. Length of the pendulum
- D. Both b and c
Explanation: The time period of a simple pendulum is given by the formula: T = 2π√(L/g)where:T is the time periodL is the length of the pendulumg is…
Correct answer: Acceleration due to gravity g- A. Doubled
- B. Halved
- C. Four times
- D. One fourth
Explanation: The time period of a simple pendulum is given by the formula: T = 2π√(L/g)where:T is the time periodL is the length of the pendulumg is…
Correct answer: Four times- A. 2
- B. 1/2
- C. 1/5
- D. None of the above
Explanation: The time period of a wave is the time taken for one complete oscillation or cycle.
Correct answer: 1/5- A. 10cm
- B. 25cm
- C. 30cm
- D. 40cm
Explanation: The maximum velocity in SHM occurs at the equilibrium position. The equilibrium position is the midpoint of the oscillation, which is the…
Correct answer: 25cm- A. 1 sec
- B. 2 sec
- C. 4 sec
- D. 0.5 sec
Explanation: A seconds pendulum indeed has a time period of 2 seconds. This means it takes 2 seconds to complete one full swing back and forth
Correct answer: 2 sec- A. 1000J
- B. 6250J
- C. 1562.5J
- D. None of these
Explanation: The total mechanical energy of a simple harmonic oscillator is constant and is given by: E = 1/2 kA^2where:E is the total mechanical…
Correct answer: 1562.5J- A. increased by √18 times
- B. increased by √16 times
- C. Decreased by √18 times
- D. Decreased by √16 times
Explanation: The time period of a simple pendulum is given by: T = 2π√(L/g)where:T is the time periodL is the length of the pendulumg is the…
Correct answer: increased by √18 times- A. 50J
- B. 25J
- C. 0J
- D. None of these
Explanation: At the mean position, the pendulum's velocity is maximum, and its potential energy is minimum (zero).
Correct answer: 50J- A. 4π
- B. 2π
- C. π
- D. π/2
Explanation: The time period (T) of a simple pendulum is given by the formula:T = 2π√(L/g)where:L is the length of the pendulumg is the acceleration…
Correct answer: 4π- A. 8 J
- B. 16 J
- C. 4 J
- D. None of these
Explanation: The potential energy stored in a spring is given by:PE = (1/2) * k * x^2where k is the spring constant and x is the displacement.The…
Correct answer: 4 J- A. Zero
- B. Maximum
- C. Minimum
- D. Constant
Explanation: In Simple Harmonic Motion (SHM), the kinetic energy is maximum at the mean position and zero at the extreme positions.
Correct answer: Zero- A. True
- B. False
- C. None of these
- D. May or may not
Explanation: Hooke's law states that the stress is directly proportional to the strain within the elastic limit of the material.
Correct answer: False- A. Energy is constant
- B. Energy remains in the system
- C. Dissipated from the System
- D. None of these
Explanation: Damping is a phenomenon where energy is gradually lost from an oscillating system due to frictional forces.
Correct answer: Dissipated from the System- A. 3k
- B. 2k
- C. 4k
- D. k/2
Explanation: The spring constant (k) is a measure of the stiffness of a spring. It is defined as the force required to stretch or compress the spring…
Correct answer: 2k- A. Frequency
- B. Amplitude
- C. Speed
- D. None of these
Explanation: When a wave travels from one medium to another, its speed changes. This is because the speed of a wave is dependent on the properties of…
Correct answer: Speed- A. K.E
- B. P.E
- C. Total Energy
- D. All of these
Explanation: In Simple Harmonic Motion (SHM), the total mechanical energy of the system remains constant.
Correct answer: Total Energy