Question

Four statements are written below which are the general rules for drawing ray diagrams in case of lenses. Select the incorrect statements :

(I) A ray of light from the object, parallel to the principal axis, after refraction from a concave lens, passes through the principal focus on the other side of the lens.
(II) A ray of light appearing to meet at the principal focus of a convex lens, after refraction, will emerge parallel to the principal axis.
(III) A ray of light passing through a principal focus, after refraction from a convex lens, will emerge parallel to the principal axis.
(IV) A ray of light passing through the optical centre of a lens will emerge without any deviation.

(a) Both (l) and (II)
(b) Both (II) and (III)
(c) Both (I) and (IV)
(d) Both (III) and (IV)​

Answer 1

Answer:

The correct answer is option b.

Hope it helps you.

Answer 2

Answer:

The correct answer is option b.

Hope it helps you

Explanation:

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