WBCS.LIVE practice question

How does time period (T) of a seconds pendulum very with length (l)?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. T āˆž
  2. T āˆž l2
  3. T āˆž l
  4. T does not depend on l

Correct answer and explanation

Correct answer: T āˆž

Explanation: āœ… Correct Answer: A) $T \propto \sqrt{l}$) šŸ“š Explanation: For a standard simple pendulum, the time period $T$ varies as the square root of its length. However, for a designated seconds pendulum, the time period is fixed at exactly two seconds by definition.