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In a wave,the medium or the channel moves in the direction with respect to the .
It comprises and rarefaction.
In a wave the medium or the channel moves to the direction of the wave.Here,the move up and at right angles.
A transverse wave comprises and troughs.
( i ) Lambda = v
= / 3800
= m ( final answer )
( ii ) Audible range of humans is Hz – 20kHz
Humans with hearing hear it.