Question

plzz ans fast .......... no unnessesqry ans ​

Answer 1

Answer:

$time \: period= 2\pi \sqrt{ \frac{l}{g} } \: \: t \: directly \: proportional \: to \: \sqrt{l}$

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

So ratio of lengths = (1.44/0.36)square = 16