Question

1. A ray of light after refraction through a lens parllel to the principal axis of the lens. The incident ray passes through :
(a) its optical centre
(b) its first focus
(c) its second focus
(d) the centre of curvature of the first surface
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Answer 1

Answer:

d.the center of curvature of the frist surface

Answer 2

Answer:

your answer is (d) the centre of curvature of the first surface

Explanation:

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