JEE Physics · Hard

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 PendulumHardQuestion 31114

Question

A pendulum of length 1 m is taken to moon where g_moon = g/6. New time period (T_earth) becomes:
  1. A
    √6 T_earth
    Correct
  2. B
    T_earth/√6
  3. C
    6T_earth
  4. D
    T_earth/6

Correct answer

√6 T_earth

Explanation

T ∝ 1/√g. T_moon = T_earth × √(g/g_moon) = T_earth × √6.