Which of the following correctly depicts the reflection of a ray of light on a spherical mirror?
A
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B
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C
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D
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Solution
The correct option is C
Correct option:
Option(C): The ray of light, parallel to the principal axis, after getting reflected, from the surface of the concave mirror, passes through the focus.
The explanation for incorrect options:
Option(A): The ray of light, parallel to the principal axis, after getting reflected, from the surface of a concave mirror is getting deviated away from the focus which is not possible. It must pass through the focal point as depicted in option (C).
Option(B): The light ray, parallel to the principal axis, will get diverted away. It will virtually meet at the focus of the convex mirror.
Option(D): The light ray parallel to the principal axis meets virtually at the focus of the convex mirror. Only the light beam falling normally on the mirror can retrace its path.
