Question

Time periods of two pendulums are in the ratio 0.81: 2.43. Calculate the ratio of their effective lengths.​

Answer 1

Answer:

1:√3=L:l

Explanation:

$l \alpha \sqrt{t }$

L/l=k×√T/k×√t

L²/l²=T/t

L²/l²=0.81/2.43

L²/l²=81/243

L/l=1/√3

L:l=1:√3