NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1501 - 1505 of 2320

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Question number: 1501

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

One mole of an ideal gas at an initial temperature of TK does 8 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is , the final temperature of gas will be

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1502

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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Question

A flask is filled with 15 gm of an ideal gas at 27°C and its temperature is raised to 47°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.

1.0 g

c.

2.5 g

d.

1.5 g

Passage

Read the passage given below and answer the questions that follows:

A diathermic piston divides adiabatic cylinder of volume V 0 into two equal parts as shown in the figure. Both parts contain ideal monoatomic gases. The initial pressure and temperature of gas in left compartment are P 0 and T 0 while that in right compartment are 2P 0 and 2T 0. Initially the piston is kept fixed and the system is allowed to acquire a state of thermal equilibrium.

Diathermic piston divides into adiabatic cylinder.

Diathermic Piston Divides into Adiabatic Cylinder

Question number: 1503 (1 of 2 Based on Passage) Show Passage

» Kinetic Theory of Gases » Kinetic Theory of Gases

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MCQ▾

Question

The heat that flown from right compartment to left compartment before thermal equilibrium is achieved is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 1504 (2 of 2 Based on Passage) Show Passage

» Kinetic Theory of Gases » Kinetic Theory of Gases

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MCQ▾

Question

The pressure in left compartment after thermal equilibrium is achieved is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 1505

» Thermodynamics » Thermal Equilibrium

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MCQ▾

Question

A gas mixture consists of 2 moles of oxygen and 4 moles argon at temperature T neglecting all vibrational modes, the total internal energy of the system is

Choices

Choice (4)Response

a.

9 RT

b.

15 RT

c.

11 RT

d.

4 RT

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