JAMB - Physics (1984 - No. 41)

A simple pendulum, 0.6m long, has a period of 1.5s. What is the period of a similar pendulum of 0.4m length in the same location?

\( 1.5 \frac{ \sqrt{2}}{3} \)s

\( 1.5 \frac{ \sqrt{3}}{2} \)s