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+1 vote
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in Physics by (50.3k points)

A double convex lens, made of a material of refractive index μ1, is placed inside two liquids of refractive indices μ2 and μ3, as shown. μ2 > μ1 > μ3. A wide, parallel beam of light is incident on the lens from the left. The lens will give rise to

(a) a single convergent beam 

(b) two different convergent beams 

(c) two different divergent beams 

(d) a convergent and a divergent beam

1 Answer

+1 vote
by (51.2k points)
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Best answer

Correct Answer is: (d) a convergent and a divergent beam

As μ2 > μ1, the upper half of the lens will become diverging. 

As μ1 > μ3, the lower half of the lens will become converging.

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