Advertisements
Advertisements
Question
Define the term Principle axis.
Advertisements
Solution
The principal axis is the straight line passing through the pole and the centre of curvature.
RELATED QUESTIONS
The perpendicular to the mirror at the point of incidence is called ______.
Draw a figure describing the following.
The reflecting surface of two mirrors make an angle of 90∘ with each other. If a ray incident of one mirror has an angle of incidents of 30∘, draw the ray reflected from the second mirror. What will be its angle of reflection?
With the help of diagrams, explain the difference between the regular and irregular reflection.
A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
Compare the characteristics of an image formed by a convex mirror and a concave mirror, when object is beyond center of curvature, but not at infinity.
Differentiate between a reflection and a shadow
You can see a rainbow only when your back is towards the sun.
