plz answer it... physics class 9th sound chapter ..(｡•́︿•̀｡)
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Wave length=1.4km=1.4*1000m=1400m
Frequency = wave speed/wave length
=340/1400
=0.2428hz
=2.428*10^ - 1 hz
raftaar22:
thanks
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here is your answer
I hope it will help u
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thank you (∩︵∩)
wlcm
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