Question

The ratio of lengths of two pendulums of time periods 1S and 2's respectively
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Answer 1

Answer:

1/4

Explanation:

Time period is directly proportional to root of length

T = $\sqrt L$

or

L = $T^{2}$

hence L1 / L2 = $1^{2}$ / $2^{2}$ = 1/4

Hence the ratio is 1/4