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Home » a) What is meant by i) principal focus of a convex mirror ii) focal length of a convex mirror?b) Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P, and focal length f of the convex mirror.
a) What is meant by i) principal focus of a convex mirror ii) focal length of a convex mirror?
b) Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P, and focal length f of the convex mirror.
CBSE | Class 10 | Lakhmir Singh | Physics | Reflection of Light
a) What is meant by i) principal focus of a convex mirror ii) focal length of a convex mirror?
b) Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P, and focal length f of the convex mirror.

a)

I Principal focus of a convex mirror: The principal focus of a convex mirror occurs when all of the reflected light rays meet at a location after diverging in the mirror.

ii) Focal length of a convex mirror: The focal length of a convex mirror is the distance between the pole and the primary focus.

i

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