Briefly explain the concept of super position principle.

Explanation

When two or more waves in a medium overlap., their total displacement is the vector sum of individual displacements.
Let us consider two fucntions which characterize the displacement of the waves, for example,
`y_(1)=a sin (kx- omegat)`
and `y_(2)=A_(2)cos(kx- omegat)`
Since both `y_(1) and y_(2)` satisfy the wave equation (solutions of wave equation) then their algebraic sum
`y=y_(1)+y_(2)`
also satisfies the wave equation. It is meant that, the displacement are additive.