Question

Two bodies A and B are oscillating 50 and 25 times in 5sec
respectively. Which has a higher frequency?

Answer 1

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Answer-

body A

Explanation:

Frequency is the no of times a body vibates in a certain amount of time

Frequency = 1/time period

frequency (body A)= 1 / 1/50= 50

frequency (body B)= 1 / 1/25= 25

Hence frequency of body A is higher

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Answer 2

Given :-

☄ No of oscillation of body A = 50

☄ No of oscillation of body B = 25

☄ Time taken = 5 sec

To Find :-

the body having higher frequency

Solution :-

The frequency gives the number of complete oscillations per unit time.

as we know,

${\boxed{ \gray{ \bf Frequency=\dfrac{No.\:of\: oscillations}{Total\:time}}}}$

Frequency of body A

➠ f$\sf _A$ = No of oscillation/time

➠ f$\sf _A$ = 50/5

➠ f$\sf _A$ = 10 Hz

Frequency of body B

➠ f$\sf _B$ = No of oscillation/time

➠ f$\sf _B$ = 25/5

➠ f$\sf _B$ = 5 Hz

thus, body A have higher frequency.

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