engineering physics MCQ #4574

The time period of a simple pendulum is 1 s. If its length is halved, its new time period is

engineering physics MCQ #4574

  1. Question 1

    Q1. The time period of a simple pendulum is 1 s. If its length is halved, its new time period is

    • A) 1 / √2 s
    • B) √2 s
    • C) 1 s
    • D) 2 s

    Answer: 1 / √2 s

    Explanation: T ∝ √l. When l is halved, T becomes 1 / √2 times, so new T = 1 / √2 s.