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Oscillations — Easy JEE physics MCQ

If the length of a simple pendulum is increased by $44\%$, the percentage change in time period is:
  1. A. $20\%$
  2. B. $22\%$
  3. C. $44\%$
  4. D. $10\%$

Solution

$T \propto \sqrt{L}$ $\frac{T'}{T} = \sqrt{\frac{1.44L}{L}} = 1.2$ % change $= 20\%$

PHYSICS

easy • PYQ Reworded
Question
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If the length of a simple pendulum is increased by 44%44\%, the percentage change in time period is:
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Oscillations — Easy JEE Physics MCQ | MyGoalPrep