Fri April 02, 2010 By: Akriti None


Expert Reply
Fri April 02, 2010

Dear Student,

All these are equivalent,

1/ Aperture of a spherical mirror is the diameter of the reflecting surface, the straight line distance between two farthest point on the periphery of the mirror.

2/ In general aperture refers to a tiny hole, you'll encounter this in diffraction, and interference phenomena.

3/ What's the measure of the area exposed to the incident light, it's the area of the mirror, and it's measure is the diameter from which we can obtain the area.




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