A) increase
B) decrease
C) remain same
D) increase if the child is long and decrease if the child is short
Correct Answer: B
Solution :
As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, For time period, \[T=2\pi \sqrt{\frac{l}{g}}\], T will decrease.You need to login to perform this action.
You will be redirected in
3 sec