Physics · a topic
The laws of thermodynamics, Taught not just answered.
A real-time, 1:1 lesson on The laws of thermodynamics: an AI teacher explains it out loud while it visualizes every step. Interrupt it, ask why, and it checks you got it, in 26 languages.
The idea
What is The laws of thermodynamics?
The laws of thermodynamics are the rules governing heat, work and energy. The zeroth law defines temperature through thermal equilibrium. The first law is energy conservation: the change in a system's internal energy equals heat added minus work done by the system. The second law says heat flows spontaneously from hot to cold and the total entropy of an isolated system never decreases, which limits how much heat any engine can turn into work.
Where it appears: Class 11 CBSE, A-level, IB Physics and Chemistry, AP Physics 2, JEE and NEET, first-year engineering.
Where learners get stuck
Why The laws of thermodynamics is hard
Sign conventions for heat and work in the first law vary between textbooks, and learners treat the second law as a vague statement about disorder rather than a precise limit on energy conversion.
The picture a good explanation starts with: A gas in a cylinder with a piston, an arrow of heat entering from below, an arrow of work leaving as the piston rises, and the internal energy change written inside.
A lesson, step by step
How a lesson on The laws of thermodynamics goes
01
Ask
Type or say "What is the difference between heat and internal energy?" in your own words, in any of 26 languages.
02
Plan
The tutor plans a storyboard, one picture per idea, starting with a gas in a cylinder with a piston, an arrow of heat entering from below, an arrow of work leaving as the piston rises, and the internal energy change written inside.
03
Explain
It explains The laws of thermodynamics out loud while the picture builds step by step, pitched to your level (Class 11 CBSE and up).
04
Interrupt
Say "wait, why?" or type a doubt: it stops, answers over the picture, and carries on. Ask for a different explanation any time.
05
Check
A checkpoint question makes sure the idea landed, and Tests keep the practice going.
06
Your notes
Upload a PDF or a photo of your class notes or a past paper and the lesson follows your textbook's terms.
Ask it anything
Questions learners ask about The laws of thermodynamics
- What is the difference between heat and internal energy?
- Why can't all heat be converted into work?
- How do I get the signs right in the first law?
Any of these, or your own, typed or spoken. The tutor answers on the picture and adapts to how well you are following.
Questions
Asked, Answered
Can LetMeTeach explain The laws of thermodynamics?
Yes. Ask in your own words and the tutor plans a lesson on The laws of thermodynamics: it starts with a gas in a cylinder with a piston, an arrow of heat entering from below, an arrow of work leaving as the piston rises, and the internal energy change written inside. Then it explains each step out loud as the picture builds, stops when you say "wait, why?", and ends with a checkpoint question.
Where does The laws of thermodynamics come up?
Class 11 CBSE, A-level, IB Physics and Chemistry, AP Physics 2, JEE and NEET, first-year engineering. The lesson is pitched to your level and the exam or curriculum you follow, and you can upload your own notes or past papers so it uses your textbook's terms.
Can I learn The laws of thermodynamics in my own language?
Yes. LetMeTeach teaches in 26 languages and plans the lesson in the language you choose rather than translating an English one, so the terms match what your textbook says. The Free plan includes 7 hours a month with no card.
Last updated
Learn The laws of thermodynamics, Starting now.
Ask "What is the difference between heat and internal energy?" and watch the answer drawn. The Free plan needs no card.