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The frequency of a man’s voice is 300 Hz...

The frequency of a man’s voice is 300 Hz and its wave-length is 1m. If the wavelength of a child’s voice is 1.5m, then the frequency of the child’s voice is :

A

`200 Hz`

B

`150 Hz`

C

`400 Hz`

D

`350 Hz`

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The correct Answer is:
A
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RESONANCE ENGLISH-SOUND WAVES-Exercise- 1 PART - II
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