The length of the simple pendulum which ticks seconds is:
A
0.5m
B
1m
C
1.5m
D
2m
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Solution
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Correct option is B)
The time period of a simple pendulum is T=2πgL where L is the length of the pendulum. or L=4π2gT2 The time period of the simple pendulum which ticks seconds is 2s. ∴T=2s Substituting in (i), we get