Question

9) If a beam of light is allowed to fall along the principal axis of concave mirror, the
(1)
a) Emerge out along the principal axis
b) Deviate by 60°
c) Retrace its path along. principal axis
d) Deviate by 30°
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Answer 1

Explanation:

If pencil beam is allowed to fall along the principal axis of concave mirror, it strikes the mirror and reflection happens. The, it will retrace the same path after relection. Principal axis is defined as a line that is passing through center of curvature and the focus of a spherical mirror.

Answer 2

Answer:

ANSWER

The focal point is the location where light rays traveling parallel to the principal axis converge after reflection from the mirror.

Explanation:

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