If an object oscillates $20$ times in $5 s e c$ , then what is the frequency of the object?

4 H z

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20 H z

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5 H z

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100 H z

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Solution

The correct option is A $4 H z$
Given: No. of oscillations $= 20$
Time taken $= 5 s e c$
By using the formula:
$F r e q u e n c y = \frac{No of oscillations}{Time taken}$ $= \frac{20}{5}$ $= 4 H z$

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If an object oscillates 20 times in 5 sec, then what is the frequency of the object?

The correct option is A 4 HzGiven: No. of oscillations =20Time taken =5 secBy using the formula:Frequency=No of oscillationsTime taken=205=4 Hz

If an object oscillates $20$ times in $5 s e c$ , then what is the frequency of the object?

The correct option is A $4 H z$
Given: No. of oscillations $= 20$
Time taken $= 5 s e c$
By using the formula:
$F r e q u e n c y = \frac{No of oscillations}{Time taken}$ $= \frac{20}{5}$ $= 4 H z$