Q121 / 180 · AIIMS 2015 · Physics

Viscous force exerted by the liquid flowing between two plates in a streamline flow depends upon the

  • A
    velocity gradient in the direction perpendicular to the plates
  • B
    area of plate
  • C
    co-efficient of viscosity of the liquid
  • Correct answer
    D
    all of these

Solution

Viscous force exerted by the liquid flowing between two plates is given by $$ F=-\eta A \frac{d v}{d y} $$

Hence, the correct answer is option: 'D'.

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