In this question, a statement of assertion 
is followed by a statement of reason (R). Mark the correct choice as:
Assertion: If a pendulum is suspended in a lift and lift is falling freely, then its time period becomes infinite.
Reason: Free falling body has acceleration equal to acceleration due to gravity.
Text Solution
Verified by ExpertsThe correct answer is:
B
: If a pendulum is suspended in a lift and lift is moving downward with some acceleration a,
then time period of pendulum is given by, 
In the case of free fall, 
then 
i.e., the time period of pendulum becomes infinite.
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