What is Viscosity in Hindi 2026 PDF Download

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What is Viscosity in Hindi. We covered all the What is Viscosity in Hindi in this post for free so that you can practice well for the exam.

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Mock test on Viscosity for Students

Among the following substances, which one has the highest viscosity?

a) Oxygen

b) Mercury

c) Glycerine

d) Water

Option c - Glycerine

How does the viscosity of a gas change when its temperature increases?

a) It increases

b) It decreases

c) It remains constant

d) It may increase or decrease depending on the gas

Option a - It increases

What is the primary reason for viscosity in liquids?

a) Diffusion

b) Gravitational attraction

c) Adhesive forces

d) Cohesive forces

Option d - Cohesive forces

The viscosity observed in gases mainly arises due to:

a) Diffusion

b) Gravitational attraction

c) Adhesive forces

d) Cohesive forces

Option a - Diffusion

What is the value of viscosity for an ideal Fluid?

a) Zero

b) 0.5

c) 1

d) Infinite

Option a - Zero

The force responsible for viscosity belongs to which category?

a) Gravitational force

b) Electromagnetic force

c) Nuclear force

d) Weak force

Option b - Electromagnetic force

Viscosity is most closely associated with which of the following concepts?

a) Friction

b) Adhesive Molecular forces

c) Cohesive Molecular forces

d) Bernoulli’s principle

Option a - Friction

Viscosity is the property of a liquid due to which it:

a) Tries to minimize its surface area

b) Resists relative motion between its neighboring layers

c) Becomes spherical in shape

d) Regains its original shape after deformation

Option b - Resists relative motion between its neighboring layers

Which of the following substances has the greatest viscosity?

a) Mercury

b) Water

c) Oxygen

d) Hydrogen

Option a - Mercury

How does the viscosity of a liquid change with an increase in temperature?

a) It increases

b) It decreases

c) It remains unchanged

d) It may either increase or decrease depending on the liquid

Option b - It decreases

We covered all what is viscosity in Hindi above in this post for free so that you can practice well for the exam.

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