Ali Liaqat Physics

Gravitational Field Strength | Class 12 | Chapter 15: Gravitation | NBF 2025

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In this lecture, we explain Newton’s Law of Universal Gravitation, the foundation of gravitational physics, from Chapter 15: Gravitation in the Class 12 Physics textbook by the National Book Foundation (NBF), 2025 edition.

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Topics discussed are
• Gravitational Field
• Gravitational Field Lines
• Formula of gravitation field
• Earth as uniform sphere
• Grvitational filed outside of sphere
• Gravitation field inside of sphere

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This video is designed for students of the Federal Board and AJK Board, with a focus on concept clarity, step-by-step explanation, and exam-oriented understanding.

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Don’t forget to like, share, and subscribe for more conceptual videos on Class 12 Physics!

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Introduction to Particle Physics | Chapter 14 | Class 11 Physics | National Book Foundation 2024

UNIT 14 | Class 11 Physics | PARTICLE PHYSICS | By National Book Foundation https://www.youtube.com/playlist?list=PLB180AvzMkoL_oH8NrgBaTSpX0CKNTwrM

In this video, we introduce the fascinating world of Particle Physics, covered in Chapter 14 of the Class 11 Physics textbook by the National Book Foundation (NBF), 2024 edition.

Topics Covered:

What is Particle Physics?

Definition of Particle Physics

Fundamental particles: quarks, leptons, and bosons

Overview of Chapter 14 Particle Physics

This lecture is designed for Federal Board and AJK Board students, providing a clear and engaging introduction to one of the most exciting fields of modern physics.

Don't forget to like, share, and subscribe to stay updated with more lectures on Class 11 Physics!

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