Properties of Solids & Liquids (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 112 - 115 of 190

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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: 112 (3 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.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

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Question number: 113

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

A viscous fluid is flowing through a cylindrical tube. The velocity distribution of the fluid is best represented by the diagram

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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Question number: 114

» Properties of Solids & Liquids » Surface Energy and Surface Tension

MCQ▾

Question

Radius of a capillary tube is 2 x 10 -3 m. A liquid of weight 6.28 x 10 -4 N may remain in the capillary tube then the surface tension of liquid will be

Choices

Choice (4) Response

a.

5 x 10 -2 N/m

b.

5 x 10 -3 N/m

c.

50 N/m

d.

5 N/m

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Question number: 115

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

80 gm of copper is heated to increase its temperature 10°C. If the same quantity of heat is given to 10 gm water, the rise in its temperature is (Specific heat of copper = 420 Joule-kg -1 C -1)

Choices

Choice (4) Response

a.

6°C

b.

8°C

c.

5°C

d.

7°C

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