Light with an energy of falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 , the average force exerted on the surface is:-
Momentum of EM wave -
- wherein
u = Energy of EM wave
c = Speed of light in vacuum
For a perfectly reflecting surface
Option 1)
This solution is incorrect
Option 2)
This solution is correct
Option 3)
This solution is incorrect
Option 4)
This solution is incorrect