A light ray is incident at a right angle on one of the sarfaces or a glass prism shown in the figure.
![628_A light ray is incident at a right angle.png](https://secure.tutorsglobe.com/CMSImages/628_A%20light%20ray%20is%20incident%20at%20a%20right%20angle.png)
The top angle of the prism is = 27°. The index of refraction of the glass is = 1.45. At what angle θ will the light ray exit the other surface of the prism?