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Class 11 Physics — Chapter 12: Thermodynamics
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Physics, Chapter 12 (Thermodynamics). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Zeroth law of thermodynamics defines:
A.Temperature✓ correct
B.Pressure
C.Volume
D.Entropy
Why
Two systems in equilibrium with a third are in equilibrium with each other → T.
Q2Medium
In an isothermal process, ΔT = 0, so for ideal gas ΔU =
A.0✓ correct
B.Q
C.W
D.PV
Why
Internal energy of ideal gas depends only on T.
Q3Hard
Efficiency of Carnot engine: η = 1 −
A.T_cold / T_hot✓ correct
B.T_hot / T_cold
C.Q_cold / Q_hot only at low T
D.P/V
Why
Maximum efficiency: η_C = 1 − T_c/T_h.
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