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A biconvex lens made of transparent …

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A biconvex lens made of transparent material of refractive index 1.25 is immersed in water of refractive index 1.33. Will the lens behave as a converging lens? Ans. h ki lens will behave as diverging lens. yeh ans kese ayga?

Posted by K Kush 8 years ago

CBSE > Class 12 > Physics

4 answers

Ritu Gupta 8 years ago

When a lens is placed in a liquid of less refractive index then the refractive index of material of lens, the nature of lens changes. That is, a converging lens behaves as a diverging lens or vice versa. Or you can say sign of focal length changes. Hope this will help you!!!

Akash Agarwal 8 years ago

If not satisfied i have another way bt the mentioned one is the best.

Akash Agarwal 8 years ago

Lena makers formula kro...n get the sign of f.

Jin Kazama 8 years ago

Lens makers formulae m ye value put kerke dekh pata chal jayega , +ve and -ve sign change ???

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