Can somebody explain why the answer is D?
I think I'm missing something simple
AS physics- multiple choice- refractive index Watch
- Thread Starter
- 07-06-2016 12:41
- 07-06-2016 13:00
Use Snell's law
n1 sin(x1) = n2 sin(x2)
where the angle x is with respect to the normal (perpendicular to the boundary). Then, the question asks for the final angle to be with respect to the boundary, so find 90 - x1.