E
Editor
Sep 18, 2022
lf $T$ is to be reduced to $\frac{T}{3}$ then the length of pendulum should be
Difficulty: Easy
A:
$\frac{l}{2}$
B:
$\frac{l}{3}$
C:
$\frac{l}{4}$
D:
$\frac{l}{9}$
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ID: 63273db8ca83163ac3a0ed33