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An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging with focal length F. If the refractive index of the liquid is 3 then what is the refractive index of the lens?

An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging with focal length F. If the refractive index of the liquid is 3 then what is the refractive index of the lens?

Grade:12th pass

1 Answers

Shivansh
askIITians Faculty 267 Points
4 years ago
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