A horizontal ray of light passes through a prism whose apex angle is `4^@` and then strikes a vertical mirror M as shown in Figure. For the ray to become horizontal after reflection, Find the angle by which the mirror must be rotated.

A horizontal ray of light passes through a prism of index 1.50 and apex angle 4^(@) and then strikes a vertical mirror , as shown in the figure. Through what angle must the mirror be rotated if after reflection the ray is to be horizontal?

A horizontal ray of light passes through a prism of index 1.50 and apex angle 4^(@) and then strikes a vertical mirror , as shown in the figure. Through what angle must the mirror be rotated if after reflection the ray is to be horizontal?

A horizontal ray of light passes through a prism of index 1.50 and apex angle 4^(@) and then strikes a vertical mirror , as shown in the figure. Through what angle must the mirror be rotated if after reflection the ray is to be horizontal?

A prism having an apex angle 4^(@) and refractive index 1.5 is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray is deviated after reflection from the mirror ?

A prism having an apex angle 4^(@) and refractive index 1.5 is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray is deviated after reflection from the mirror ?

A ray of light XY passes through a right angled isosceles prism as shown alongside. Which prism surface will behave as a mirror ?

A ray of light XY passes through a right angled isosceles prism as shown below: Which prism surface will behave as a mirror ?