In case of mechanical wave a partical oscillates and during sacillation its kinetic energy and potentialenergy changes.

In case of mechanical wave a partical oscillates and during sacillatio

1.	In case of mechanical wave a partical oscillates and during sacillation its kinetic energy and potentialenergy changes.
Answer» <P> ANSWER :(a)P,Q (B)R,S (c )P,S,(d)Q,R