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A convex lens made of glass of refractive index 1.5 has a power of 10D in air.If it is immersed in a liquid of refractive index 1.5 the power of lens is?

Posted by Veda Sri Rasamsetty 1 year, 5 months ago

CBSE > Class 12 > Physics

1 answers

Adithya Dev 1 year, 5 months ago

Zero. P = 1/f = (n of liquid/n of glass - 1) 1/R1 + 1/R2 = (1.5/1.5 - 1) 1/R1 + 1/R2 = 0.

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