NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1460 - 1463 of 2320

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Question number: 1460

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

Under which of the following conditions is the law PV = RT obeyed most closely by a real gas?

Choices

Choice (4)Response

a.

High pressure and high temperature

b.

Low pressure and high temperature

c.

Low pressure and low temperature

d.

High pressure and low temperature

Question number: 1461

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

Question

The specific heat of hydrogen gas at constant pressure is and at constant volume is . If two kilogram hydrogen gas is heated from 10°C to 30°C at constant pressure, the external work done on the gas to maintain it at constant pressure is

Choices

Choice (4)Response

a.

4 × 10 5 Cal

b.

4 × 10 4 Cal

c.

4 × 10 3 Cal

d.

5 ⨯ 10 3 Cal

Question number: 1462

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

1200°C

b.

108°C

c.

9327°C

d.

2700°C

Question number: 1463

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

A flask is filled with 13 gm of an ideal gas at 27°C and its temperature is raised to 52°C. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at 52°C and the pressure remaining the same is

Choices

Choice (4)Response

a.

2.0 g

b.

1.5 g

c.

1.0 g

d.

2.5 g

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