Answered: A plano-concave lens for an underwater… | bartleby

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A plano-concave lens for an underwater camera is shown below. It's diopter under water is -
8.33. The radius of curvature of its front surface is 8 cm. Assuming that the index of fraction of
water is 1.33, what is the index of fraction of the substance of which this lens it is made?

a. 2.00

b. 1.81

c. 1.52

d. 1.67

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