Properties of Solids & Liquids (AIIMS (All India Institute of Medical Sciences) Physics): Questions 41 - 44 of 48

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Question number: 41

» Properties of Solids & Liquids » Surface Energy and Surface Tension

MCQ▾

Question

A solid sphere of diameter D and density Equation has a spherical cavity of diameter Equation inside it. If it just floats completely immersed in a liquid of densityEquation , then the ratio Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 42

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

The rate of flow of a liquid through a capillary tube of radius Equation is V when the pressure difference across the two ends of the capillary is P. If pressure is increased by 6P and radius is reduced toEquation then the rate of flow becomes,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 43

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

Question

A wire has length 1.5 m and radius 1.5 mm and another wire has length 4.5 m and radius 4.5 mm. Both are fixed at one end and twisted at other end. Calculate the ratio of couples required to twist the wires through the same angle. The wires are made of the same material.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

27

d.

Equation

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Question number: 44

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

A water drop of mass Equation is introduced between two plates with separation Equation Calculate the force of attraction between the plates.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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