# Properties of Solids & Liquids (AIIMS 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 has a spherical cavity of diameter inside it. If it just floats completely immersed in a liquid of density, then the ratio is –

### Choices

Choice (4) Response

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c.

d.

## Question number: 42

» Properties of Solids & Liquids » Viscosity

MCQ▾

### Question

The rate of flow of a liquid through a capillary tube of radius 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 to then the rate of flow becomes,

### Choices

Choice (4) Response

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d.

## 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.

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Choice (4) Response

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27

d.

## Question number: 44

» Properties of Solids & Liquids » Viscosity

MCQ▾

### Question

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

### Choices

Choice (4) Response

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