Question

The frequency of source of sound is 50 Hz. How many times does it vibrate in one minute?

Answer 1

$\textit{Frequency:}$
The property of sound determining the speed of vibrations. It the measurement which tells us that how many times a source is vibrated in one second to produce sound. Its unit is Hertz (Hz).

Now,
$\bf{Answer}$:
Given, frequency = 50Hz.
This means the source of sound vibrates 50 times in one second. Therefore, number of vibrations in 1 minute, i.e. in 60 seconds = 50 x 60 = 3000 times.

Therefore your answer is 3000 times.

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Answer 2

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Answer:

Frequency is defined as the number of oscillations per second. It is given by the relation:

Frequency = Number of Oscillations / Total Time

Number of oscillations = Frequency × Total time

Given, Frequency of sound = 50 Hz

Total time = 1 min = 60 s

Number of oscillations/Vibrations = 50 × 60 = 3000

Hence, the source vibrates 3000 times in a minute, producing a frequency of 50 Hz.

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