Question

The ratio of the lengths of two pendulums is 4, what is
the ratio of their time periods?​

Answer 1

Explanation:

Time period of simple pendulum is given by

T=2π

g

l

L

1

=6 and L

2

=256

∴

T

2

T

1

=

L

2

L

1

⇒

T

2

T

1

=

2

1

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Answer 2

Answer:

Time period of simple pendulum is given by

T=2πgl

L1=6  and L2=256

∴T2T1=L2L1

⇒T2T1=21