Question

The time period of two simple pendulum at a place are in the ratio 2:1 what will be the ratio of their length​

Answer 1

ANSWER

4 : 1

Explanation:

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Answer 2

Explanation:

$t1 = 2\pi \frac{ \sqrt{l1} }{g}$

$t2 = 2\pi \frac{ \sqrt{l} 2}{g}$

According to this we can see that time is directly proportional to square root of length

$\frac{t1}{t2} = \frac{ \sqrt{l1} }{ { \sqrt{l2} } }$

$\frac{2}{1} = \frac{ \sqrt{l1} }{ \sqrt{} l2}$

$\frac{4}{1} = \frac{l1}{l2}$

the ratio of length Will be 4/1