First slide

Applications of SHM

Question

The length of a simple pendulum is increased by 1%. Its time period will

Moderate

A

Increase by 1%
B

Increase by 0.5%
C

Decrease by 0.5%
D

Increase by 2%

Solution

$T \propto \sqrt{l} \Rightarrow \frac{ΔT}{T} = \frac{1}{2} \frac{Δl}{l} = \frac{1}{2} \times 1 % = 0 .5 %$

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