Thermodynamics
Class 11 · Thermodynamics · Practice

Carnot Engine — Previous-Year Questions

5 previous-year questions on Carnot Engine, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

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Q1. Carnot engine works between 600 K and 300 K. Efficiency:

JEE 2022

Q2. If T_cold is doubled (T_hot fixed), Carnot efficiency:

JEE 2021

Q3. Can a Carnot engine have 100% efficiency?

JEE 2020

Q4. Carnot engine absorbs 1000 J from hot reservoir at 500 K and exhausts to 300 K cold reservoir. Work done:

JEE 2019

Q5. Carnot's theorem states:

JEE 2018

Carnot Engine previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.