A pendulum is executing simple harmoinic motion with a time period T if the length of pendulum is decreased to 36% the percentage chage in the time period of the pendulum is
1)60%
2)40%
3)10%
4)20%
A pendulum is executing simple harmoinic motion with a time period T if the length of pendulum is decreased to 36% the percentage chage in the time period of the pendulum is
1)60%
2)40%
3)10%
4)20%










