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Question
The time period of a vibrating body is 0.05 s. The frequency of waves it emits is ______.
Options
5 Hz
20 Hz
200 Hz
2 Hz
MCQ
Fill in the Blanks
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Solution
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
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