Kinetic Theory of Gases (NEET Physics): Questions 1 - 5 of 40

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Question number: 1

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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 Equation and temperature 3T, then the ratio of the number of molecules in the jar A and B will be

Choices

Choice (4) Response

a.

4: 1

b.

1: 1

c.

1: 2

d.

6: 1

Question number: 2

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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 low temperature

c.

High pressure and low temperature

d.

Low pressure and high temperature

Question number: 3

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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.

1.5 g

b.

1.0 g

c.

2.0 g

d.

2.5 g

Question number: 4

» Kinetic Theory of Gases » Equation of State of a Perfect Gas

MCQ▾

Question

The value of the gas constant (R) calculated from the perfect gas equation is 8.32 Joule/gm mole K, whereas in value calculated from the knowledge of C P and C V of the gas is 1.58 Cal/gm mole K. From this data, the value of J is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Assertion-Reason▾

Assertion (Ꭺ)

Maxwell speed distribution graph is asymmetric about most probable speed.

Reason (Ꭱ)

rms speed of ideal gas depends upon its type (monoatomic, diatomic and polyatomic).

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

Ꭺ is true but Ꭱ is false

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