Thermodynamics
Class 11 · Thermodynamics · Practice
First Law of Thermodynamics — Previous-Year Questions
5 previous-year questions on First Law of Thermodynamics, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. A gas absorbs 200 J of heat and does 100 J of work. ΔU:
JEE 2022Q2. First law of thermodynamics is essentially:
JEE 2021Q3. An ideal gas undergoes ISOTHERMAL expansion absorbing 500 J. Work done by gas:
JEE 2020Q4. Free expansion of an ideal gas into vacuum: ΔU and ΔT?
JEE 2019Q5. If 100 J of work is done ON the system and no heat is exchanged, ΔU is:
JEE 2018First Law of Thermodynamics 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.