Science, asked by shubhra1413, 3 months ago

A sound wave has frequency of 2kHz and a wave lenght of 35cm
If an observer 1.4km away from the source .At what time interval
could the observer hear the sound ?​

Answers

Answered by swaritgamer
0

Explanation:

Speed of wave = frequency x wavelength

speed =

time

distance

∴ time distance= 0.35×2000 = 700 m/s

time = 700

1400

= 2s

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