Properties of Solids & Liquids-Thermal Expansion (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 8 - 11 of 32

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Question number: 8

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

The real coefficient of volume expansion of glycerin is 0.000977 per °C and linear coefficient of expansion of glass is 0.000007 per °C. Then the apparent volume coefficient of expansion of glycerin is

Choices

Choice (4) Response

a.

0.000573 per °C

b.

0.000237 per °C

c.

0.000666 per °C

d.

0.000956 per °C

Question number: 9

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

Flask is filled up to a mark with 50 cc of mercury at 8°C. If the flask and contents are heated to 38°C, how much mercury will be above the mark? (α for glass is 9 × 10 -6 /°C and coefficient of real expansion of mercury is 180 × 10 -6)

Choices

Choice (4) Response

a.

0.05

b.

0.85 cc

c.

0.46 cc

d.

0.153 cc

Question number: 10

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 11

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

An iron tire is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tire is 6mm smaller than that of wheel. The tire should be heated so that its temperature increases by a minimum of (the coefficient of cubical expansion of iron is 3.6 × 10 -5 /°C)

Choices

Choice (4) Response

a.

500°C

b.

167°C

c.

334°C

d.

1000°C

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