Question

What do you know about the terms given below related to the spherical mirrors? I)

Focal length and ii) Focus​

Answer 1

Answer:

Focal length:

The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power.

Focus:

Focus - The point on the principal axis at which the incident rays which are parallel to the principal axis, meet after reflection from the mirror is called focus.

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