Question

if pencil beam is allowed to fall a long the principal axis of concave mirror the ray will is optional question​

Answer 1

Answer:

the ray will pass from Focus

Answer 2

Return back through the same path after reflection.

Explanation:

Any ray passing through the center of curvature of a spherical mirror will always trace-back its path after the reflection.

• The principal axis is an imaginary line that passes through the center of curvature and the focus of a spherical mirror and providing us the center of the aperture of the mirror in its geometric center called pole of the mirror.

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TOPIC: principal axis of spherical mirror

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