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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Oscillations

Olympiad workbook · NSEP · Oscillations

A simple pendulum has a bob of mass m and a light string of length...

A simple pendulum has a bob of mass

m

and a light string of length

l

. The string is replaced by a uniform rod of mass

m

and of the same length

l

. The time period of this pendulum is

Options

A $2 \pi(l / g)^{1 / 2}$
B $2 \pi(8 l / 9 g)^{1 / 2}$
C $2 \pi(9 l / 8 g)^{1 / 2}$
D $2 \pi(2 l / 3 g)^{1 / 2}$

Correct answer

B. $2 \pi(8 l / 9 g)^{1 / 2}$

Step-by-step solution

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