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A sound wave travel at a …

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A sound wave travel at a speed of 340 m/s. If the wave length of wave is 1.4 km . What is the frequency of the wave ?

Posted by Hasnain Ahmed 6 years, 9 months ago

CBSE > Class 09 > Science

1 answers

Shreyansh Shukla 6 years, 9 months ago

V= speed of light f= frequency( 1.4 km= 1400m) L= lemda V=f×L 340=1400× f f= 1400÷340 f=140/34 Rest solve by yourself

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