A ray of light directed towards the optical centre of a lens, after refraction it
A. passes through the focus.
B. becomes parallel to the principal axis. C. passes undeviated.
D. is reflected back.
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Answer: C. Passes undeviated
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Answer:
The answer to this question will be option C) passes undeviated.
Explanation:
Whenever a light ray is directed towards the lens optical centre, after suffering refraction it passes straightway towards the optical centre without undergoing any deviation from its path. It passes without any path change. It does not suffer any type of refraction. It is so as the ray is perpendicular with the surface of the lens and hence no deviation occurs.
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