Question

A convergent lens will become less convergent in​

Answer 1

Answer:

From lens maker's formula 1f=(n−1)(1R1−1R2) where f is focal length of the lens, in the refractive index, R1 and R2 the radii of curvature of the surfaces of lens. Also we know that refractive index of oil and water is greater than that for lens. ... Hence, convex lens becomes less converging in both oil and water.

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Answer 2

When the object is placed between Focus and pole....

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