Question

what is principle focus of a spherical mirror? ​

Answer 1

Answer:

The principal focus of a spherical mirror is a point on that spherical mirror's principal axis where parallel light rays intersect (meet) or emerge to deviate after reflection. ... The focal plane is the imaginary plane that travels through the primary focus and is perpendicular to the primary axis.

Step-by-step explanation:

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Answer 2

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• The principal focus of a spherical mirror is a point on that spherical mirror's principal axis where parallel light rays intersect (meet) or emerge to deviate after reflection. ... The focal plane is the imaginary plane that travels through the primary focus and is perpendicular to the primary axis. . .