Physics
Grade-8
Easy
Question
The frequency of a sound wave whose time period is 0.01s is ___ Hz.
- 50
- 100
- 150
- 200
Hint:
The frequency of a sound wave whose time period is 0.01s is 100 Hz.
The correct answer is: 100
- Time period = 0.01 s
frequency = 1/0.01 = 100
frequency = 1/0.01 = 100
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