Define term pole, centure of the curvature, principal Focus, principal – InterviewSolution

1.	Define term pole, centure of the curvature, principal Focus, principal axis, focal length and radius of the curvature with a singhal digit
Answer» The CENTRE of SPHERICAL mirror KNOW as pole , the centre of HOLLOW sphere of glass from which the mirror is formed known as centre of curvature , the PERPENDICULAR to spherical mirror know as principal axis from focus

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