Physics, asked by shivin65, 1 year ago

what is focus on principal axis.

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Answered by ShubhGandhi2903
0
Focus is a point of the principal axis at which the rays parallel to principal axis meet ( concave mirror) or appear to meet (covex mirror) after reflection. Represented by F
Answered by Shafiqa
0
principal axis is an imaginary line passing through the pole and the centre of the curvature of a spherical mirror principal focus is a point on the principal Axis where a beam of light parallel To the principal Axis after reflection is actually meets concave or appears to meet convex
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