A radiation of energy 'E'falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (C = Velocity of light)

Options

A. `(2E)/(c)`
B. `(2E)/(c^(2))`
C. `(E)/(c^(2))`
D. `(E)/(c)`

Answer

A

Explanation

Fore perfectly reflecing surface
`P= (2U)/(c)=(2E)/(c)`