If the displacement y of a particle is y =A sin (pt+qx) then dimensional formula of pq is

If the displacement y of a particle is y =A sin (pt+qx) then dimension

1.	If the displacement y of a particle is y =A sin (pt+qx) then dimensional formula of pq is
Answer» L `LT^(-1)` `T^(-1)` `L^(-1)T^(-1)` ANSWER :C