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Define the principal focus of a …

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Define the principal focus of a concav mirror

Posted by Prem Kumar Nayak 4 years, 10 months ago

CBSE > Class 10 > Science

2 answers

Sarthak?? Jaiswal 4 years, 10 months ago

The point on the principal axis of a concave mirror to which all the light rays which are parallel to principal axis converge after reflection . This point is known as principal focus of concave mirror .

1Thank You

Nancy Rajput 4 years, 10 months ago

The principal focus of concave mirror is a point on its principle axis to which all the light rays which are parallel and close to the axis , converge after reflection from the mirror .

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