Thermal Properties of Matter
Class 11 · Thermal Properties of Matter · Practice

Linear Expansion — Previous-Year Questions

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

Q1. A steel rod (α = 12×10⁻⁶/K) of length 100 m heated by 50°C. ΔL:

JEE 2022

Q2. A metal ring with a hole is heated. The hole diameter:

JEE 2021

Q3. Why are gaps left between rails on a railway track?

JEE 2020

Q4. If two metals are bonded into a strip and heated: bending occurs because:

JEE 2019

Q5. Thermal stress in a body constrained from expanding:

JEE 2018

Linear Expansion 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.