A vibrating simple pendulum of time period "T" is placed in a lift which is acceelating upwards. what is effect in time period?

CBSE Class 11 CBSE Class 11 Physics
1

there is no effect on time period .

2

There will be some change in its time period because lift is moving up and net acceleration will be sum of acceleration of lift and ‘g’. Change depends on acceleration of the lift .

3

if acceleration of lift will be constant . time period will change or not ?