# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1455 - 1459 of 2320

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## Question number: 1455

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MCQ▾

### Question

A monatomic gas is suddenly compressed to of its original volume adiabatically, than the pressure of the gas will change to

### Choices

Choice (4)Response

a.

8

b.

c.

d.

32 times its initial pressure

## Question number: 1456

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MCQ▾

### Question

An incompressible liquid flows through a horizontal tube as shown in trite following fig. Then the velocity v of the fluid is

### Choices

Choice (4)Response

a.

1.5 m/s

b.

1.0 m/s

c.

2.25 m/s

d.

3.0 m/s

## Question number: 1457

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MCQ▾

### Question

Helium at 27° has a volume of 8 litres. It is suddenly compressed to a volume of 1 litre. The temperature of the gas will be

### Choices

Choice (4)Response

a.

9327°C

b.

108°C

c.

1200°C

d.

927°C

## Question number: 1458

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MCQ▾

### Question

Width of slit is 0.3 mm Fraunhofer diffraction is observed in focus plane of lens of a lens of focal length 1 m. If third minima is at 5 mm distance from central maxima, then wavelength of light is-

### Choices

Choice (4)Response

a.

5000 Å

b.

6000 Å

c.

7000 Å

d.

6500 Å

## Question number: 1459

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MCQ▾

### Question

The pressure P, volume V and temperature T of a gas in the jar A and the other gas in the jar B at pressure 3 P, volume and temperature 3T, then the ratio of the number of molecules in the jar A and B will be

### Choices

Choice (4)Response

a.

6: 1

b.

4: 1

c.

1: 2

d.

1: 1

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