To double the period of oscillation of a simple pendulum

1.	To double the period of oscillation of a simple pendulum
A.	the mass of its bob should be doubled
B.	the mass of its bob should be quadrupled
C.	its lenght should be quadrupled
D.	its length should be doubled.
Answer» D. its length should be doubled.

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To double the period of oscillation of a simple pendulum

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