Q111 / 180 · AIIMS 2018 (26 May) · Physics

Assertion : When a pendulum is made to oscillate on the surface of the Moon, its time period increases. Reason : Moon is much smaller as compared to Earth.

  • A
    If both assertion and reason are true and reason is the correct explanation of assertion.
  • Correct answer
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • D
    If both assertion and reason are false.

Solution

As $T=2 \pi \sqrt{L / g}, T$ increases due to smaller value of $g$ on Moon.

Hence, the correct answer is option: 'B'.

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