The optical density of turpentine is higher than that of water while its mass density is lower. Figure shows, a layer of turpentine floating over water in a container. For which one of the four rays incident on turpentine in figure, the path shown in correct?
Here, light ray goes from (optically) rarer medium air to optically denser turpentine, then it bends towards the normal i.e., whereas when it goes from to optically denser medium turpentine to rarer medium water, then it bends away the normal i.e.,
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
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A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d