# Properties of Solids & Liquids-Viscosity (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 1 - 3 of 3

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## Question number: 1

» Properties of Solids & Liquids » Viscosity

MCQ▾

### Question

A small metal ball of diameter 4 mm and density 11.6 g cm-3 is dropped in glycerin of density 1.5 g cm-3. The ball attains a terminal velocity of 980 cm s-1. The coefficient of viscosity of glycerin is,

### Choices

Choice (4) Response

a.

4.9 poise

b.

980 poise

c.

16.49 poise

d.

9.8 poise

## Question number: 2

» Properties of Solids & Liquids » Viscosity

MCQ▾

### Question

Under a constant pressure head, the rate of flow of liquid through a capillary tube is . If the length of the tube is halved and the diameter of the bore is doubled, the rate of flow will be –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Properties of Solids & Liquids » Viscosity

MCQ▾

### Question

Calculate volume of the water flowing in 14 minutes through a horizontal tube of 0.2 cm diameter, 75 cm long. The pressure head across the ends of the tube is 32 cm of water column. Coefficient of viscosity of water is 9 ⨯ 10-4 S. I unit g = 10 m/s2.

### Choices

Choice (4) Response

a.

b.

c.

d.

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