How much force (in Newtons) is exerted on a mirror when a 12.0W laser beam of red light (675 nm) strikes the mirror normal to its surface? (Assume no light is absorbed)
How how how how?
kthx
I don't even know where to start with this question!
Two coherent sources are traveling as shown below. Find the minimum thickness of the glass (n=1.51) for the waves to be out of phase at the screen