A thin lens is made with a material having refractive index L = 1.5. Both the sides are convex. It is dipped in water (μ = 1.33). It will behave like
A thin lens is made with a material having refractive index L = 1.5. Both the sides are convex. It is dipped in water (μ = 1.33). It will behave like
(a) a convergent lens
(b) a divergent lens
(c) a rectangular slab
(d) a prism.
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(a) a convergent lens
EXPLANATION:
The double convex lens behaves as a convergent lens in the air because the µ of the lens is greater than air. When it is dipped in water its µ is still greater than water hence it will act as a convergent lens.
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