Question

An object placed 3 meter away from a plane mirror which is 40 degree inclined with mirror to the point of normal . Then find out the angle of incident,angle of reflection and image distance from object

Answer 1

Answer:

anlge of incidence = 50°

angle of reflection = 50°

image distance = 3m

Explanation:

Angle between incident ray and mirrow is 40°

Angle between mirror and normal = 90°

angle between normal and incident ray = 90°-40°

=50°

i=50°

angle of incidence and reflection are equal,

r =i = 50°

for a plane mirrow,

image distance = object distance

image distance = 3m