Properties of Solids & Liquids-Thermal Expansion (NEET Physics): Questions 16 - 20 of 32

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Question number: 16

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

A constant volume gas thermometer shows pressure reading of 40 cm and 90 cm of mercury at 0°C and 100°C respectively. When the pressure reading is 80 cm of mercury, the temperature is

Choices

Choice (4) Response

a.

12.5°C

b.

40°C

c.

80°C

d.

15°C

Question number: 17

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

A glass flask of volume one liter at 0 0 C is filled, level full of mercury at this temperature. The flask and mercury are now heated to 100 0 C. How much mercury will spill out, if coefficient of volume expansion of mercury is 1.82 × 10 -4 /°C and linear expansion of glass is 0.2 × l0 -4 /ºC?

Choices

Choice (4) Response

a.

151 cc

b.

212 cc

c.

152 cc

d.

176 cc

Question number: 18

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

The coefficient of apparent expansion of mercury in a glass vessel is 153 × 10 -6 /°C and in a steel vessel is 144 × 10 -6 / 0 C If a for steel is 12 × 10 -6 / 0 C, then that of glass is

Choices

Choice (4) Response

a.

36 × 10 -6 / o C

b.

27 × 10 -6 /°C

c.

6 × 10- 6 /°C

d.

9 × 10 - 6/° C

Passage

Read the passage given below and answer the questions that follows:

In a thermally insulated tube of cross sectional area 4 cm 2 a liquid of thermal expansion coefficient 10 -3 K -1 is flowing. Its velocity at the entrance is 0.1 m/s. At the middle of the tube a heater of a power of 10 kW is heating the liquid. The specific heat capacity of the liquid is 1.5 kJ/ (kg K), and its density is 1500 kg/m 3 at the entrance.

Question number: 19 (1 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

The rise in temperature of the liquid as it pass through the tube is

Choices

Choice (4) Response

a.

(19)0C

b.

(5009)0C

c.

(10009)0C

d.

Question does not provide sufficient data or is vague

Question number: 20 (2 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

How much bigger is the volume rate of flow at the end of the tube than at the entrance in cubic meters?

Choices

Choice (4) Response

a.

13×105

b.

9×105

c.

49×105

d.

None of the above

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