Oscillations

Question: A mass $M$ is suspended from a spring of negligible mass. The spring is pulled a little and then released so that the mass executes S.H.M. of time period $T$. If the mass is increased by $m$, the time period becomes $5T/3$. Then the ratio of $m/M$ is



1) $\frac{5}{3}$
2) $\frac{3}{5}$
3) $\frac{25}{9}$
4) $\frac{16}{9}$
Solution: Explanation: No Explanation
Spring mass system combination of springs

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