सिद्ध कीजिए कि अवतल दर्पण की फोकस दूरी उसकी वक्रता त्रिज्या की आधी होती है ?
Answers
Answered by
2
A ray of light AB traveling parallel to the principal axis PC is incident on a convex mirror at B. After reflection, it goes to Dand appear to be coming from the focus F. The distance PF= focal length f. ... Thus, for a spherical mirror (both for a concave and for convex), the focal length is half of radius of curvature.
Similar questions