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question_answer1) A lead shot of 1mm diameter falls through a long column of glycerine. The variation of its velocity v. with distance covered is represented by [AIIMS 2003]
question_answer2) A small spherical solid ball is dropped from a great height in a viscous liquid. Its journey in the liquid is best described in the diagram given below by the [CPMT 1988]
question_answer3) The diagram shows a cup of tea seen from above. The tea has been stirred and is now rotating without turbulence. A graph showing the speed v with which the liquid is crossing points at a distance X from O along a radius XO would look like
question_answer4) Water flows through a frictionless duct with a cross-section varying as shown in fig. Pressure p at points along the axis is represented by
question_answer5) From amongst the following curves, which one shows the variation of the velocity v with time t for a small sized spherical body falling vertically in a long column of a viscous liquid [CPMT 1990]
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