A simple pendulum takes 55 s to complete 50 oscillations. What is the – McqOptions

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1.	A simple pendulum takes 55 s to complete 50 oscillations. What is the time- period of this pendulum?
A.	3.2 s
B.	2.1 s
C.	1.1 s
D.	0.9 s
E.	None of these
Answer» D. 0.9 s

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