A vessel of depth 2d cm is half filled with a liquid of refractive index μ1 and the upper half with a liquid of refractive index μ2. The apparent depth of the vessel seen perpendicularly is
A
d(μ1μ2μ1+μ2)
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B
d(1μ1+1μ2)
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C
2d(1μ1+1μ2)
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D
2d(1μ1μ2)
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Solution
The correct option is Bd(1μ1+1μ2) μ=Realdepthapparentdepthh′=d1μ1+d2μ2=d(1μ1+1μ2)