Question

What is Lamda?
How many derivation does SOUND chapter have ?? What are they ??

Answer 1

lamda is the unit of wave length of sound

Answer 2

Lambda is a greek alphabet which is used to represent Physical quantites...In Sound Chapter , This alphabet is used to represent one characteristic of a Wave called Wavelength...

Wavelength is a Characteristic or Property of a wave , which is a Distance between two Consecutive troughs or crests. It is denoted by greek aphabet lambda and its SI unit is meter ( m )...

hope this help...