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A convex lens of glass has power P in air. If it is immersed in water, its power will be |
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(a) |
more than P |
(b) |
less than P |
|
(c) |
P |
(d) |
More the P for some colour and less than P for others |
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A convex lens of glass has power P in air. If it is immersed in water, its power will be |
|||
|
(a) |
more than P |
(b) |
less than P |
|
(c) |
P |
(d) |
More the P for some colour and less than P for others |