Question

Q7. A sound wave of frequency 2 Hz completes one oscillation in
(1) 0.5 s
(2) 5s
(3) 25
(4) 0.25
in not common to sant cell and​

Answer 1

(1) 0.5 s

since time=oscillation/Hz

=1/2=0.5 s Ans.

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Answer 2

The time taken to complete one oscillation 0.5 seconds.

Explanation,

It is given that,

Frequency of the sound wave, f = 2 Hz

We need to find time taken to complete one oscillation. We know that the frequency and time period have inverse relationship. It is given by :

$T=\dfrac{1}{f}$

$T=\dfrac{1}{2\ Hz}$

T = 0.5 seconds

So, the time taken to complete one oscillation 0.5 seconds. Hence, this is the required solution.

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