Properties of Solids & Liquids-Viscosity (NEET Physics): Questions 1 - 3 of 3

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Question number: 1

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

A jar is filled with two non-mixing liquids 1 and 2 having densities ρ 1 and, ρ 2 respectively. A solid ball, made of a material of density ρ 3, is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for ρ 1, ρ 2 and ρ 3?

 Equilibrium condition in jar

Equilibrium Condition in Jar

Jar filled with two non-mixing liquid having density ρ1 and ρ2, and a solid ball, made of a material of density ρ3. All are in equilibrium condition

Choices

Choice (4) Response

a.

ρ 1 < ρ 3 < ρ 2

b.

ρ 3 < ρ 1 < ρ 2

c.

ρ 1 > ρ 3 > ρ 2

d.

ρ 1 < ρ 2 < ρ 3

Question number: 2

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

The liquid meniscus in capillary tube will be convex, if the angle of contact is

Choices

Choice (4) Response

a.

Greater than 90°

b.

Equal to 90°

c.

Less than 90°

d.

Equal to 0°

Question number: 3

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

A viscous fluid is flowing through a cylindrical tube. The velocity distribution of the fluid is best represented by the diagram

Choices

Choice (4) Response

a.

Viscous fluid is flowing through a cylindrical tube – Choice A

Viscous Fluid Is Flowing Through a Cylindrical Tube – Choice A

Velocity distribution of the fluid depicted here

b.

Viscous fluid is flowing through a cylindrical tube – Choice B

Viscous Fluid Is Flowing Through a Cylindrical Tube – Choice B

Velocity distribution of the fluid depicted here

c.

 Viscous fluid is flowing through a cylindrical tube – Choice C

Viscous Fluid Is Flowing Through a Cylindrical Tube – Choice C

Velocity distribution of the fluid depicted here

d.

Question does not provide sufficient data or is vague

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