Properties of Solids & Liquids (KVPY Stream-SA (Class 11) Physics): Questions 22 - 26 of 27

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Question number: 22

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

Under a constant pressure head, the rate of flow of liquid through a capillary tube is 10m3s . 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.

480m3s

b.

340m3s

c.

220m3s

d.

320m3s

Question number: 23

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

Question

315 g of ice is mixed with 155 g of water at temperature 650C. The latent heat of ice is 80 cal/g and the specific heat of water is 1 cal/g-0C. Assuming no heat loss to the environment, the amount of ice which does not melt is:

Choices

Choice (4) Response

a.

0

b.

99.35 g

c.

115 g

d.

189 g

Question number: 24

» 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.

1.56×109m3

b.

25.6×105m3

c.

1.66×108m3

d.

2.76×109m3

Question number: 25

» Properties of Solids & Liquids » Specific Heat Capacity

MCQ▾

Question

What is the meaning of Heat capacity of a substance is infinite?

Choices

Choice (4) Response

a.

No change in temperature whether heat is taken in or given out

b.

Heat is taken in

c.

Heat is given out

d.

All of the above

Question number: 26

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

Question

275 g of ice is mixed with 175 g of water at temperature 900C. The latent heat of ice is 80 cal/g and the specific heat of water is 1 cal/g-0C. Assuming no heat loss to the environment, the amount of ice which does not melt is:

Choices

Choice (4) Response

a.

0

b.

78.13 g

c.

52.36 g

d.

94.35 g

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