A body is vibrating 6000 times in a minute. If the velocity of sound is 360 m/s. Find

(i) the frequency in (Hz) (ii) Wavelength of sound

100 Hz, 3.6 m

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600 Hz, 3.6 m

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60 Hz, 6 m

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6000 Hz, 0.06 m

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Solution

The correct option is A
100 Hz, 3.6 m

Frequency = $\frac{n u m b e r o f c y c l e s}{t i m e i n s e c o n d s} = \frac{6000}{60} = 100 H z$

Wave length = $\frac{v e l o c i t y}{f r e q u e n c y} = \frac{360}{100} = 3.6$

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360 m / s

A body is vibrating 6000 times in a minute. If the velocity of sound is 360 m/s. Find

(i) the frequency in (Hz) (ii) Wavelength of sound

The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?

\frac{1}{256} s

The Time period of a vibrating body of frequency 100 Hz is:

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