Question

The time period of a vibrating body is 0.05 s. The frequency of waves it emits is ______.

विकल्प

• 5 Hz

• 20 Hz

• 200 Hz

• 2 Hz

Answer 1

The time period of a vibrating body is 0.05 s. The frequency of waves it emits is 20 Hz. 

Explanation:

Given: \[ T=0.05\ \text{s} \]

\[f =\frac{1}{T} \]

\[=\frac{1}{0.05} \]

= 20 Hz