A simple pendulum of length is observed to have a period of when set in small-angle…

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

A simple pendulum of length

0.80\,\text{m}

is observed to have a period of

1.79\,\text{s}

when set in small-angle oscillation. Which value is closest to the local gravitational field strength? (a)

17.6\,\text{m}\!/\!\text{s}^2

(b)

8.9\,\text{m}\!/\!\text{s}^2

(c)

9.8\,\text{m}\!/\!\text{s}^2

(d)

4.9\,\text{m}\!/\!\text{s}^2