A pendulum with a length of has a measured period of

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A pendulum with a length of

0.80\,\text{m}

has a measured period of

1.8\,\text{s}

. What is the period of a geometrically similar pendulum whose length is

0.20\,\text{m}

at the same location? (a)

0.45\,\text{s}

(b)

3.6\,\text{s}

(c)

0.90\,\text{s}

(d)

1.8\,\text{s}