Question

d) Compare the time periods of two pendulums at a given place, when their lengths are 80 cm and 320 cm respectively. [2] 80cm 320cm ​

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