# NEET Physics: Questions 1324 - 1329 of 2142

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## Question number: 1324

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

## Question number: 1325

MCQ▾

### Question

In Young’s experiment the wavelength of red light is 7.5 × 10 -5 cm. and that of blue light 5.0 × 10 -5 cm. The value of n for which (n + l) th blue bright band coincides with n th red bright band is-

### Choices

Choice (4) Response

a.

8

b.

4

c.

1

d.

2

## 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: 1326 (1 of 3 Based on Passage) Show Passage

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

## Question number: 1327 (2 of 3 Based on Passage) Show Passage

MCQ▾

### Question

What is the density of liquid at the exit?

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 1328 (3 of 3 Based on Passage) Show Passage

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.

b.

c.

d.

None of the above

## Question number: 1329

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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