Question

Find net deviation by the plane mirrors

Answer 1

It is the angle made by the refleced ray with the direction of incident ray. Since OA' is just an extension to the incident ray path AO, ∠AOA' = 180°. Thus, δ = (180° - 2i). The angle of incidence 'i' can vary from 0° to 180° and correspondingly the deviation produced varies from 180° to 0°.It is the angle made by the refleced ray with the direction of incident ray. Since OA' is just an extension to the incident ray path AO, ∠AOA' = 180°. Thus, δ = (180° - 2i). The angle of incidence 'i' can vary from 0° to 180° and correspondingly the deviation produced varies from 180° to 0°.It is the angle made by the refleced ray with the direction of incident ray. Since OA' is just an extension to the incident ray path AO, ∠AOA' = 180°. Thus, δ = (180° - 2i). The angle of incidence 'i' can vary from 0° to 180° and correspondingly the deviation produced varies from 180° to 0°.

Explanation: