Thank you for reporting, we will resolve it shortly
Q.
A boy is swinging in a swing. If he stands, the time period will
Oscillations
Solution:
A swing is like a pendulum. So,
$T=2 \pi \sqrt{\frac{1}{g}}$
When the boy stands the C.O.M. will become higher. Thus $'l'$ will become shorter and so according to the equation of time period. Time period will decrease.