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Definition of-●Pole●Centre of Curvature●Principle Axis●Principle FocusClass 10LightNo scam pls |
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Answer» Answer: pole :- The centre or midpoint of the reflecting curved surface of a spherical mirror is called pole.Centre of CURVATURE:- The centre of the IMAGINARY sphere of which the spherical mirror is a part is called centre of curvature.Principle FOCUS:- It is a point on the principal axis where a beam of light parallel to the principal axis after reflection EITHER actually meets or appears to meet is called principal focus.Principal axis:- An imaginary LINE passing through the pole and centre of curvature of a spherical mirror is called pricipal axis.Mark as brainliest. |
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