Question

1. Two pendulums P and Q of lengths 2 m ad 4 m are made to oscillate. Which pendulum will make more
oscillations and why?​

Answer 1

Answer:

Time period of oscillation of a simple pendulum is given by:

T=2π

g

l

∝

l

Thus, the ratio of their time periods is

T

2

T

1

=

2

0.5

=

2

1

⟹T

2

=2T

1

Thus, the shorter pendulum would have completed exactly 2 oscillations when the longer pendulum would have completed the first oscillation.