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JEE Main 2021 (26 Feb, Shift 2) · Simple Pendulum

Simple Pendulum question from JEE Main 2021 (26 Feb, Shift 2)

Q62JEE Main 2021 · 26 FEB · SHIFT 2Easy

Simple Pendulum

Given below are two statements:

Statement I: A second's pendulum has a time period of 1 second.

Statement II: It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the correct answer from the options given below:

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Answer: (b)

  1. A seconds pendulum has period 2 s2\text{ s}, not 1 s1\text{ s}: Statement I false.
  2. Going from one extreme to the other takes T2=1 s\frac{T}{2} = 1\text{ s}: Statement II true.
  3. So the answer is (b).
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