The time period of a simple pendulum in a lift desending with constant acceleration g is
This is the case of freely falling lift and in free fall of lift effective for pendulum will be zero. So
Time period of simple pendulum accelerating up -
- wherein
length of pendulum
acceleration due to gravity.
acceleration of pendulum.
Option 1)
This is incorrect.
Option 2)
This is incorrect.
Option 3)
This is incorrect.
Option 4)
This is correct.
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