Properties of Solids & Liquids-Heat Transfer (BITSAT Physics): Questions 1 - 2 of 2

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Question number: 1

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

Question

Davy’s safety lamp is based on –

Choices

Choice (4) Response

a.

Radiation

b.

Conduction

c.

Polarization

d.

Convection

Question number: 2

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

Question

Two vessels of different materials are similar in size in every respect. The same quantity of ice filled in them gets melted in 20 minutes and 40 minutes respectively. The ratio of thermal conductivities of the metal is –

Choices

Choice (4) Response

a.

2:1

b.

3:1

c.

6:5

d.

5:6

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