InterviewSolution
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InterviewSolution
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If the time period `(T)`of vibration of a liquid drop depends on surface tension `(S)` , radius`( r )` of the drop , and density `( rho )` of the liquid , then find the expression of `T`.A. `T = k sqrt(rhor^(3)//S)`B. `T = k sqrt(rho^(1//2)r^(3)//S)`C. `T = k sqrt(rhor^(3)//S^(1//2))`D. None of these |
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Answer» Correct Answer - a Let `T prop S^(0)t^(2) rho^(2)` by substituting the demension of `[T]= [T]` `[S] = [ML^(-2)], [r] = [L],= [ML^(-3)]` and by comparing the power of both the sides `x = -1//2, y = 3//2, z= 1//2` so`T prop sqrt(rho r^(3)//S) rArr T = k sqrt((rho r^(3))/(S))`. |
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