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The apparent depth of ater in water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm//min when is being drined out a constant rate. The amount of water drained in cc//min is (n_1=refractive index of air, n_2=refractive index of water) |
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Answer» `(xpiR^2n_1)/n_2` `:. d=n_2/n_1 d_(app)` `-d/(DT) =n_2/n_1(-d/(dt) d_(app))=(n_2/n_1)X` `(DV)/dt=A[-d/(dt)(d)]=(xpiR^2n_2)/n_1` |
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