Thermodynamics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 27 - 30 of 86

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Question number: 27

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

The pressure in the tire of a car is four times the atmospheric pressure at 200 K. If this tire suddenly bursts, its new temperature will be (γ = 1.4)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 28

» Thermodynamics » Thermal Equilibrium

MCQ▾

Question

For an isothermal expansion of a perfect gas, the value of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 29

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

One mole of an ideal monatomic gas is taken from A to C along the path ABC. The temperature of the gas at A is T 0. For the process ABC –

System of gas molecule – path ABC

System of Gas Molecule – Path ABC

In above figure we show that one mole of an ideal monatomic gas is taken from A to C along the path ABC

(1) Work done by the gas is

(2) Change in internal energy of the gas is

(3) Heat absorbed by the gas is

(4) Heat absorbed by the gas is

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1 and 2 ate correct

c.

1,2 and 3 are correct

d.

1 and 3 are correct

Question number: 30

» Thermodynamics » Concept of Temperature

MCQ▾

Question

One mole of an ideal gas at an initial temperature of does 6 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.

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