A lens of refractive index is put in a liquid of refractive index If focal length of lens in air is its focal length in liquid will be |
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a) |
b) |
c) |
d) |
A lens of refractive index is put in a liquid of refractive index If focal length of lens in air is its focal length in liquid will be |
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a) |
b) |
c) |
d) |