Ace Your Class 9 Studies with JNG Academy!
Welcome to JNG Academy’s Class 9 Notes section, where we provide comprehensive, easy-to-understand, and exam-focused study materials to help you score better. Our notes cover concepts, NCERT solutions, questions from previous years (PYQs), important formulas, and quizzes to ensure complete preparation.
Subjects Covered:
✅ Mathematics – Chapter-wise explanations, formulas, and solved exercises.
✅ Science – Physics, Chemistry, and Biology notes with diagrams and key concepts.
✅ Social Science – History, Geography, Civics, and Economics detailed notes.
Why Choose JNG Academy?
✔️ Concise and Exam-Oriented Notes
✔️ NCERT & CBSE Board Solutions
✔️ Previous Year Questions & Sample Papers
✔️ Quizzes & Practice Exercises for Self-Assessment
Table of Contents
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Click on your subject below to explore detailed chapter-wise notes and boost your preparation.
👉 Class 9 Mathematics Notes
- Number Systems
- Polynomials
- Coordinate Geometry
- Linear Equations in Two Variables
- Introduction to Euclid’s Geometry
- Lines and Angles
- Triangles
- Quadrilaterals
- Circles
- Heron’s Formula
- Surface Areas and Volumes
- Statistics
- Probability
👉 Class 09 Science Notes
Physics
- Motion
- Force and Laws of Motion
- Gravitation
- Work and Energy
- Sound
Chemistry
- Matter in Our Surroundings
- Is Matter Around Us Pure?
- Atoms and Molecules
- Structure of the Atom
Biology
- The Fundamental Unit of LifeTissues
- Diversity of Living Organisms
- Why Do We Fall Ill?
- Natural Resources
- Improvement in Food Resources
👉 Class 9 Social Science Notes
History (India and the Contemporary World – I)
- The French Revolution
- Socialism in Europe and the Russian Revolution
- Nazism and the Rise of Hitler
- Forest Society and Colonialism
- Pastoralists in the Modern World
Geography (Contemporary India – I)
- India – Size and Location
- Physical Features of India
- Drainage
- Climate
- Natural Vegetation and Wild
- lifePopulation
Civics (Democratic Politics – I)
- What is Democracy?
- Why Democracy?
- Constitutional Design
- Electoral Politics
- Working of Institutions
- Democratic Rights
Economics (Understanding Economic Development)
- The Story of Village Palampur
- People as Resource
- Poverty as a Challenge
- Food Security in India
👉 Class 9 Computer Science Notes
Unit 1: Basics of Computer Systems
1️⃣ Types of Computers & Their Applications
2️⃣ Hardware & Software
3️⃣ Memory & Storage Devices
Unit 2: Networking & Internet
4️⃣ Basics of Computer Networks
5️⃣ Internet & Its Applications
6️⃣ Cybersecurity & Safe Practices
Unit 3: Programming in Python
7️⃣ Introduction to Python (Syntax, Data Types)
8️⃣ Control Structures (Loops & Conditions)
9️⃣ Functions & Modules
Unit 4: Introduction to Database Management
🔟 Basics of SQL (Creating, Managing Databases)
1️⃣1️⃣ Working with Tables & Queries
Stay ahead in your Class 9 journey with JNG Academy! 🚀📚
