# In an experiment to determine the period of a simple pendulum of length $1 \mathrm{~m}$, it is attached to different spherical bobs of radii $r_{1}$ and $r_{2}$. The two spherical bobs have uniform mass distribution. If the relative difference in the periods, is found to be $5 \times 10^{-4} \mathrm{~s}$, the difference in radii, $\left|r_{1}-r_{2}\right|$ is best given by:

Question:

In an experiment to determine the period of a simple pendulum of length $1 \mathrm{~m}$, it is attached to different spherical bobs of radii $r_{1}$ and $r_{2}$. The two spherical bobs have uniform mass distribution. If the relative difference in the periods, is found to be $5 \times 10^{-4} \mathrm{~s}$, the difference in radii, $\left|r_{1}-r_{2}\right|$ is best given by:

1. $1 \mathrm{~cm}$

2. $0.1 \mathrm{~cm}$

3. $0.5 \mathrm{~cm}$

4. $0.01 \mathrm{~cm}$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Oscillations chapter.

JEE Main Previous Year Online April 9, 2017

Correct Option: 2

Solution:

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