The frequency of a sound wave is 100 Hz. What is the number of oscillations produced in 5 seconds?
A
20
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B
500
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C
50
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D
200
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Solution
The correct option is B
500 The number of oscillations per second is called the frequency of oscillation. A frequency of 100 Hz is 100 oscillations per second.
So, in 5 seconds the number of oscillations will be 5×100=500 oscillations.