# Properties of Solids & Liquids (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 106 - 110 of 190

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## Passage

A bar of cross section A is subjected to equal and opposite tensile forces F at its ends. Consider a plane through the bar making an angle θ with a plane at right angles to the bar as shown in figure.

## Question number: 106 (1 of 1 Based on Passage) Show Passage

» Properties of Solids & Liquids » Stress-Strain Relationship

MCQ▾

### Question

The tensile stress, at this plane in terms of F, A and θ is

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 107

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

The force required to separate two glass plates of area 10 -2 m 2 with a film of water 0.05 mm thick between them, is (Surface tension of water is 70 × 10 -3 N/m)

### Choices

Choice (4) Response

a.

50 N

b.

14 N

c.

28 N

d.

38 AT

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## Question number: 108

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

### Question

Two rods A and B are of equal lengths. Their ends are kept between the same temperature and their areas of cross-sections are A 1 and A 2 and thermal conductivities K 1 and K 2. The rate of heat transmission in the two rods will be equal, if

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 109

» Properties of Solids & Liquids » Terminal Velocity

Assertion-Reason▾

### Assertion (Ꭺ)

Bernoulli’s theorem holds for incompressible, non-viscous fluids.

### Reason (Ꭱ)

The factor is called velocity head.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

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## Passage

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: 110 (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.

b.

c.

d.

Question does not provide sufficient data or is vague

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