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CBSE Class 10 Answered

define the principle focus of a concave mirror ?
Asked by urvashi sharma | 16 Nov, 2013, 10:46: PM
answered-by-expert Expert Answer
In concave mirror, it is the point where all the rays going parrallel to principal axis after reflection either meet or appear to meet is called principal focus.
Answered by Faiza Lambe | 16 Nov, 2013, 11:15: PM

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