Question

Hiya ☺! Plz help me in this
The time period of a simple pendulum is T. The pendulum is charged positively and mede to oscillate while a negatively charged plate is placed below it. The time period of Pendulum is now:
a) >T
b) c) =T
d) infinity
Plz give proper reason to ur answer !

Answer 1

The time period shall decrease..

Opposites attract....so the positively charge pendulum shall be under a greater force due to the negative plate...so the value of 'g' shall also increase...time period varies inversely as the sq. root of 'g',so the time period will decrease..
Hope it helps!!