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Define focal length and focus of …

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Define focal length and focus of concave mirror

Posted by Vijay Shadija 7 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 7 years, 3 months ago

Principal focus of a concave mirror is a point where light rays parallel to principle axis converge.
The distance between pole of mirror to point of principle focus is focal length of mirror.
Focal length of spherical mirror is half of its radius of curvature.

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Posted by Kanika . 1 month ago

CBSE > Class 10 > Mathematics