The dimensions of intensity of wave are

Options

A. `[ML^(2)T^(-3)]`
B. `[ML^(@)T^(-3)]`
C. `[ML^(-2)T^(-3)]`
D. `[M^(1)L^(2)T^(-3)]`

Answer

B

Explanation

`I=E/(AxxT)=(ML^(2)T^(-2))/(L^(2)T)=ML^(@)T^(-3)`