English, asked by adarshburle, 5 months ago

Principal axis perpendicellar to which
Plane ?​

Answers

Answered by ag5578112
7

Answer:

Focal plane- it is a plane perpendicular to the principal axis and passes through the focal point. It is the plane where parallel rays but not parallel to the principal axis converge at or appear to diverge from after reflection.

Explanation:

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