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Physics

Class 10

Physics for Class 10 (Matric Part 2, Class 10), Punjab board, following the new PECTAA book: notes, key terms, solved examples, short questions and MCQs, explained in English, Urdu and Roman Urdu. Every open lesson is free. A chapter with no lesson yet says Coming soon.

Start · Thermal expansion of solids

Chapters

  1. Chapter 10Thermal Physics≈ 155 min

    0 of 8 lessons done

    Start with lesson 1 and take your time.

    Start →
  2. Chapter 11Transfer of Thermal EnergyComing soon
  3. Chapter 12WavesComing soon
  4. Chapter 13SoundComing soon
  5. Chapter 14LightComing soon
  6. Chapter 15ElectrostaticsComing soon
  7. Chapter 16ElectricityComing soon
  8. Chapter 17ElectromagnetismComing soon
  9. Chapter 18Electromagnetic InductionComing soon
  10. Chapter 19ElectronicsComing soon
  11. Chapter 20Atomic and Nuclear PhysicsComing soon
  12. Chapter 21Space and EnvironmentComing soon

A taste of the free chapter

10.1a Thermal expansion of solids

Expansion grows with three things: how long (or big) the object is, how much hotter it gets, and the material, through α or β.

Try one MCQ

When the temperature of a copper rod is increased, its length:

  1. (a) Remains the same
  2. (b) Increases
  3. (c) Decreases
  4. (d) Becomes double
Show answer

(b) MCQ 10.1 (p. 17): heated solids expand.

Open the free lesson →Thermal expansion of solids

How every lesson works

  1. Read: the problem first, then the one rule that solves it.
  2. Key terms: four ideas the board asks about, each with a “why”.
  3. Try it: an interactive you can play with, and a question you answer on screen.
  4. Model answers: board-style questions solved line by line.
  5. Common mistakes: the traps that cost marks every year.
  6. MCQs: five questions, each with the reason behind the answer.
  7. Quick revision: three points to remember before the exam.

What comes next

  • Every chapter of all 7 subjects of your year: Chemistry, Physics, Biology, Maths, Computer Science, English and Urdu.
  • Notes, model answers, common mistakes and MCQs for every lesson.
  • Every step in English, Urdu and Roman Urdu; switch any time.
  • More chapters of the new PECTAA books, added one by one as each is checked against the book.

Every open lesson is free. The rest is coming soon.

More chapters: coming soon

One book, all nine Punjab boards

The same Punjab textbook is used by the boards of Lahore, Rawalpindi, Gujranwala, Faisalabad, Multan, Sargodha, Bahawalpur, Dera Ghazi Khan, Sahiwal. These notes fit your board too.

Questions students ask

Are the lessons really free?
Yes. Every lesson that is open is free for everyone, with all its notes, model answers and MCQs. No sign-up needed to read it.
What about the other chapters?
They are listed in the order of the new PECTAA book and say Coming soon. We add them one by one, each checked against the book.
Does it match my board?
Yes. All nine Punjab boards use the same Punjab textbook, so the chapters, questions and MCQs here fit Lahore, Rawalpindi, Multan and every other Punjab board.
Can I study in Urdu?
Yes. Every explanation is in English, Urdu and Roman Urdu. Science terms stay in English, as they appear in your exam paper.