Question

Draw the ray diagram of a periscope.

Answer 1

1. A periscope consists of two glass mirrors that are placed parallel to each other.
2. Both the mirrors are placed at an angle of ${45}^{\circ }$.
3. Draw the incident ray on the first mirror and following the second law of reflection (The angle of incidence is always equal to the angle of reflection.) we will complete the ray diagram.
4. It is used for observing something over or around an object.