Question

The length of second pendulum is :

A
100 cm
B
99 cm
C
99.4 cm
D
98 cm
Solution
Verified by Toppr

Time period of second pendulum T=2 s
Time period T=2πlg
where l is the length of pendulum.
2=2πl9.8
l=0.994 m=99.4 cm

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