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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Define the coefficient of viscosity.

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प्रश्न

Define the coefficient of viscosity.

एका वाक्यात उत्तर
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उत्तर

The coefficient of viscosity is defined as the viscous force per unit area per unit velocity gradient.

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संबंधित प्रश्‍न

Fill in the blanks using the word(s) from the list appended with each statement

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The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is `"d"/2` , then the viscous force acting on the ball will be ______.


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  2. liquids increases.
  3. gases increases.
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Is viscosity a vector?


A solid ball of density ρ1 and radius r falls vertically through a liquid of density ρ2. Assume that the viscous force acting on the ball is F = krv, where k is a constant and v its velocity. What is the terminal velocity of the ball?


The velocity of a small ball of mass 0.3 g and density 8 g/cc when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is 1.3 g/cc, then the value of viscous force acting on the ball will be x × 10-4 N, and the value of x is ______.

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