Properties of Solids & Liquids-Heat Transfer (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 » Heat Transfer » Conduction

Appeared in Year: 2012

MCQ▾

Question

In the Arctic region hemispherical houses called Igloos are made of ice. It is possible to maintain inside an Igloo as high as 200 C because:

Choices

Choice (4) Response

a.

ice has higher density than water

b.

ice has high thermal conductivity

c.

ice has high specific heat

d.

ice has low thermal conductivity

Question number: 2

» 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: 3

» 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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