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CBSE Class 10 Answered

Can you explain this line more briefly-
Asked by | 11 Nov, 2012, 12:39: PM
answered-by-expert Expert Answer
An aperture is an opening through which light enters the optical instrument.
Aperture determines the amount of light intercepted by the mirror.
The aperture of a spherical mirror is its diameter.
The diameter of spherical mirror is twice the radius of curvature of sherical mirror.
Answered by | 12 Nov, 2012, 12:50: AM

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