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✅ Class 8 | Chapter 10 – Lenses | Sindh Text Book Board, Jamshoro
📚 Lecture by: Sikandar Ali
🎓 YouTube Channel: Fatima Academy

Welcome to Fatima Academy!
In this video, Sikandar Ali explains Chapter 10 – Lenses from the Sindh Textbook Board, Jamshoro (Class 8).
This lecture covers complete theory with easy explanations to help you understand important concepts of lenses and their applications.

📘 Topics Covered in this Lecture

✔ What is a Lens?
✔ Types of Lenses
 • Convex Lens (Converging Lens)
 • Concave Lens (Diverging Lens)
✔ Structure of Lenses
✔ Light Refraction through Lenses
✔ Focal Point & Focus
✔ Principal Axis
✔ Optical Center
✔ Real & Virtual Images
✔ Image Formation by Convex Lens
✔ Image Formation by Concave Lens
✔ Uses of Convex & Concave Lenses
✔ Power of Lens
✔ Lens Formula (basic introduction)
✔ Magnification
✔ Daily-Life Applications of Lenses
✔ Common examples: spectacles, camera, telescope, microscope etc.

🎯 Learning Outcomes

After watching this lecture, students will be able to:
✅ Identify different types of lenses
✅ Explain focal length and principal axis
✅ Understand refraction through lenses
✅ Describe real & virtual images
✅ Recognize practical uses of lenses in daily life

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Thank you!
— Sikandar Ali