Computer Applications
State the direction of incident ray which after reflection from a spherical mirror retraces it's path. Give a reason to your answer.
Reflection of Light
43 Likes
Answer
When the incident ray is directed towards the centre of curvature, after reflection from a spherical mirror, it retraces it's path.
It is because the ray is normal to the spherical mirror, so ∠i (angle of incidence) = 0, therefore, ∠r (angle of reflection) = 0.
Answered By
30 Likes
Related Questions
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Upto what maximum distance from the pole, the image in a convex mirror can be obtained ? What will be the location of object then ?
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
What is meant by magnification? Write it's expression. What is it's sign for the (a) real (b) virtual, image?