Question

please help me to answer this ...What is meant by the following terms with reference to a spherical mirror : a) Aperture b) Principal axis. c) Focus .Show them on a figure​

Answer 1

Answer:

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Answer 2

Answer:

a)Aperture= The portion of a mirror from which the reflection of light actually takes place is called the aperture of the mirror

b) Principal axis= The principal axis of a spherical mirror is a line going through the center of the mirror that is exactly perpendicular to the surface of the mirror

c)Focus= The principal focus of a spherical mirror is a point on the principal axis of the spherical mirror at which, the light rays which are parallel to the principal axis actually converge (meet) or appear to diverge after reflection.

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