Question

Case 3: Lenses made of transparent materials such

as glass or plastic with curved surfaces. Diverging

lenses are thicker at their edges than at their

centres and make light rays passing through them

spread out. Converging lenses are thicker in middle

than at edges and make light rays passing through

them focus at a point.

Q4) For lenses I and II :
(a) P1 = P2
(b) P1 < P2
(c) P1 > P2
(d) P1 is positive and P2 is negative​

Answer 1

Answer:

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