Question

if an easy entry is parallel to the principal Axis then in the reflected ray passes through the principal focus concave
mirror please give me the some diagrams​

Answer 1

Answer:

For a concave mirror, the reflected ray travels parallel to principal axis if the incident ray passes through focus.

solution

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Answer 2

Answer:

For an incident ray, parallel to the principal axis, the reflected ray passes through the focus for a concave mirror.