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

Phase Change & Latent Heat — Previous-Year Questions

5 previous-year questions on Phase Change & Latent Heat, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. Heat to melt 1 kg ice at 0°C (L_f = 334 kJ/kg):

JEE 2022

Q2. While ice melts at 0°C, its temperature:

JEE 2021

Q3. Heat to convert 1 kg of water at 100°C to steam at 100°C:

JEE 2020

Q4. Heat to convert 1 kg ice at −10°C to water at 0°C:

JEE 2019

Q5. Sweating cools the body because:

JEE 2018

Phase Change & Latent Heat 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.