Thermodynamics MCQ — Class 11 Physics

Q: How many MCQ questions are available for Thermodynamics?

There are 35 MCQ questions available for Thermodynamics (Class 11 Physics) — 13 easy, 12 medium, and 10 hard.

Q: What topics are covered in Thermodynamics?

Key concepts covered: Adiabatic Process, Carnot Engine, Cp and Cv, First Law of Thermodynamics, Internal Energy, Isobaric Process, Isochoric Process, Isothermal Process, Second Law of Thermodynamics, Thermodynamic Processes, Zeroth Law of Thermodynamics.

Question 1

A Carnot engine operates between temperatures T₁ (source) and T₂ (sink). Its efficiency is:

Answer

1 - T₁/T₂

Answer

1 - T₂/T₁

Answer

T₂/T₁

Answer

T₁/T₂

Question 2

A refrigerator operates between 5°C and 35°C. The coefficient of performance (COP) of an ideal refrigerator is:

Answer

0.166

Answer

9.27

Answer

0.099

Answer

6.0

Question 3

In an isobaric process, the work done by an ideal gas when heated at constant pressure P from volume V₁ to V₂ is:

Answer

P(V₂ - V₁)

Answer

P(V₁ + V₂)

Answer

(V₂ - V₁)/P

Answer

P/( V₂ - V₁)

Question 4

The molar specific heat at constant pressure Cp is related to Cv (at constant volume) by:

Answer

Cp = Cv

Answer

Cp = Cv + R

Answer

Cp = Cv - R

Answer

Cp = 2Cv

Question 5

For a diatomic ideal gas, Cv = (5/2)R. The ratio γ = Cp/Cv is:

Answer

5/3

Answer

7/5

Answer

4/3

Answer

3/2

Thermodynamics

Sample Questions

Concepts Covered

Ready to practice?

Thermodynamics

Sample Questions

Concepts Covered

Ready to practice?