A ray of light strikes a plane mirror at an angle of as shown in the figure. After reflection, the ray passes through a prism of refractive index 1.5 whose apex angle is . The total angle through which the ray is deviated is
a) |
b) |
c) |
d) |
A ray of light strikes a plane mirror at an angle of as shown in the figure. After reflection, the ray passes through a prism of refractive index 1.5 whose apex angle is . The total angle through which the ray is deviated is
a) |
b) |
c) |
d) |