A small steel ball of radius r is allowed to fall under gravity through a column of a viscous liquid of coefficient of viscosity 17. After some time the velocity of the ball attains a constant value known as terminal velocity up. The terminal velocity depends on (1) the mass of the ball m. (ii) n. (iii) and (iv) acceleration due to gravity g. Which of the following relations is dimensionally correct [NCERT 1983; CPMT 1992: CBSE PMT 1992; MP PMT 2001) nr mg (6) Ugoc (a) U mg mg (s) UT (c) Using 77
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The cytoplasm is a fluid that contains all the cell organelles such as the Mitochondria, Ribosomes, Golgi bodies, etc. It is present between the nucleus and the plasma membrane
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