JEE Physics · Easy

Simple Harmonic Motion: Simple Pendulum MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Simple PendulumEasyQuestion 31141

Question

Simple pendulum clock runs slow. To correct it:
  1. A
    Increase length of pendulum
  2. B
    Decrease length of pendulum
    Correct
  3. C
    Increase mass of bob
  4. D
    Move to higher altitude

Correct answer

Decrease length of pendulum

Explanation

T = 2π√(L/g). Running slow means T is too large → L is too large. Shorten the pendulum to reduce T and make the clock run at correct speed.