Thermodynamics-Concept of Temperature [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 6 of 45

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Question 1

Question MCQ▾

In the following P-V diagram two adiabatic cut two isothermals at temperatures T1 and T2 (figure) . The value of will be

The P-V Diagram and Rectangle Abcd Formed

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 2

Question MCQ▾

A given system undergoes a change in which the work done by the system equals the decrease In its internal energy. The system must have undergone an

Choices

Choice (4)Response

a.

Isobaric change

b.

Adiabatic change

c.

Isothermal change

d.

Isochoric change

Edit

Question 3

Question MCQ▾

How much work to be done in decreasing the volume of an ideal gas by an amount of 2.4 × 10-4 m3 at normal temperature and constant normal pressure of 1 × 10-5 N/ m2

Choices

Choice (4)Response

a.

27 Joule

b.

24 Joule

c.

25 Joule

d.

28 Joule

Edit

Question 4

Question MCQ▾

When an ideal diatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the internal energy of the gas, is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 5

Question MCQ▾

If 300 ml of gas at 27°C is cooled to 7°C at constant pressure, then its final volume will be

Choices

Choice (4)Response

a.

135 ml

b.

540 ml

c.

280 ml

d.

350 ml

Edit

Question 6

Question MCQ▾

For an adiabatic expansion of a perfect gas, the value of is equal to

Choices

Choice (4)Response

a.

b.

c.

d.

Edit