List of top Physics Questions on Simple Harmonic Motion asked in AP ECET EIE

A simple pendulum of length $l_1$ has frequency $\frac{1}{4} \text{ Hz}$ and another simple pendulum of length $l_2$ has frequency $\frac{1}{3} \text{ Hz}$. Then time period of pendulum of length $(l_1 - l_2)$ is

A body executing S.H.M. has a maximum velocity of $1 \text{ ms}^{-1}$ and a maximum acceleration of $4 \text{ ms}^{-2}$. Its amplitude in metres is: