- #1

crystalplane

- 11

- 0

## Homework Statement

a)What is the minimum refractive index of the prism in order for the light to reflect?

b) What is wrong with this ray path for a reflecting prism?

## Homework Equations

n

_{i}sin(theta 1)= n

_{t}sin(theta 2)

## The Attempt at a Solution

for part a, n

_{t}is 1, theta 2 is 90 degree, theta 1 is 50 degree,

then i got n

_{i}= 1.3

For part b, i have no idea about it..