Thermodynamics

7 solved questions from Class 11 Physics, each with the full working. Tap any question to see the step-by-step solution.

• 1 What is the fundamental law or governing principle of 'Thermodynamics' in Class 11 Physics? medium MCQ Fundamental Physical Law
• 2 What is the SI unit and dimensional formula for the key physical quantity studied in 'Thermodynamics'? medium MCQ SI Units & Dimensional Analysis
• 3 How does the field or potential intensity vary with distance r in 'Thermodynamics'? medium MCQ Spatial Distance Dependence
• 4 What is the net flux or circulation integral through a closed surface in 'Thermodynamics'? medium MCQ Gauss's Theorem & Boundary Integrals
• 5 Why do field lines in 'Thermodynamics' never intersect each other? medium MCQ Field Line Properties
• 6 A 1 mol ideal gas expands at constant pressure from a volume of 2 L to 10 L at 300 K. Find the change in entropy (ΔS) of the gas. medium 2 marks Entropy change in isobaric expansion
• 7 A Carnot engine operates between temperatures 500 K (hot reservoir) and 300 K (cold reservoir). What is its efficiency? medium MCQ 2 marks Carnot engine efficiency