Explain terms aperture, optical centre and principal axis
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aperture is the surface where the silvering is done and no reflection happens.
optical center is the middle point of one hollow sphere.
principal axis is the distance from the center of curvature and the pole of one hollow sphere.
optical center is the middle point of one hollow sphere.
principal axis is the distance from the center of curvature and the pole of one hollow sphere.
vanshika753:
the definition of aperture and principal axis is wrong
What is it then?
Yes aperture definition is wrond
Wrong
Principal axis is wrong...
U search on google
aperture = the effective diameter of reflecting surface of a spherical mirror
principal axis = a straight line passing through the pole and center of curvature of a spherical mirror produced on both sides
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