Advertisements
Advertisements
Question
Define the following term in relation to concave mirror.
Principal focus
Advertisements
Solution
It is a point on the principal axis, where a beam of light, parallel to the principal axis, after reflection actually meet.
APPEARS IN
RELATED QUESTIONS
Define the following term in the context of spherical mirrors:- Pole
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Define the following term in relation to concave mirror.
Center of curvature
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.

Define the term Centre of curvature.
The distance from the pole to the focus is called ______.
