JEE Physics
Second Law & Heat Engines: JEE Questions & Solutions
6 previous-year JEE Physics questions on Second Law & Heat Engines, each with a worked step-by-step solution.
Previous-year questions
- 01Water of mass m gram is slowly heated to increase the temperature from T₁ to T₂. The change in entropy of the water, given specific heat of…MCQEasyJEE 2025
- 02A Carnot engine (E) is working between two temperatures 473 K and 273 K. In a new system two engines - engine E₁ works between 473 K to 373…MCQEasyJEE 2025
- 03A Carnot engine with efficiency 50% takes heat from a source at 600 K. In order to increase the efficiency to 70%, keeping the temperature…MCQEasyJEE 2023
- 04Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Efficiency of a…MCQEasyJEE 2023
- 05A Carnot engine operating between two reservoirs has efficiency 1/3. When the temperature of the cold reservoir is raised by x, its…MCQEasyJEE 2023
- 06An engine operating between the boiling and freezing points of water will have: (1) efficiency more than 27%. (2) efficiency less than the…MCQEasyJEE 2023
Frequently asked questions
Our bank has 6 previous-year JEE Physics questions tagged to Second Law & Heat Engines, drawn from JEE papers between 2023 and 2025, including 2 from 2025 alone. Each comes with a full step-by-step solution.
Second Law & Heat Engines is rated Advanced overall for JEE Physics. The PYQs on this page break down as 6 easy.
All 6 previous-year Second Law & Heat Engines questions in our bank are multiple-choice (MCQ) questions.
Based on recent paper analysis, Second Law & Heat Engines is worth about 1 mark in JEE Main. It sits in Thermodynamics, a Class 11 Physics chapter.
More Thermodynamics topics
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