1. A smal steel ball or radius r 18 allowed to fall A dauunder gravity through a column of a viscous liquidof coefficient of viscosity n. After sometime thevelocity of ball attains a constant value knownas terminal velocity, Vy. The terminal velocitydepends on (i) the mass of the ball m (ü) m (ü)r(iv) acceleration due to gravity g. Which of thefollowing relations is dimensionally correct?mgnr(a) Upoc(b) Uys ofmgmgr(c) υη α ηrmg(d) um acnsreeja1687 ,give my question answer urgently

1. A smal steel ball or radius r 18 allowed to fall A dauunder gravi

1.	1. A smal steel ball or radius r 18 allowed to fall A dauunder gravity through a column of a viscous liquidof coefficient of viscosity n. After sometime thevelocity of ball attains a constant value knownas terminal velocity, Vy. The terminal velocitydepends on (i) the mass of the ball m (ü) m (ü)r(iv) acceleration due to gravity g. Which of thefollowing relations is dimensionally correct?mgnr(a) Upoc(b) Uys ofmgmgr(c) υη α ηrmg(d) um acnsreeja1687 ,give my question answer urgently
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