Lens Introduction - Ray Optics & Optical Instruments | Class 12 Physics Ch 9 | CBSE/JEE/NEET
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✅ In this video,
✔️ Class: 12th
✔️ Subject: Physics CBSE/JEE/NEET
✔️ Chapter: Ray Optics & Optical Instruments (Chapter 9)
✔️ Topic Name: Lens Introduction
✔️ Topics Covered In This Video (By Dhiraj Sir): In this video, Dhiraj Sir will discuss the Lens Introduction of Chapter 9 Ray Optics & Optical Instruments for Class 12th Physics. Dhiraj Sir will explain the important points related to the subject that students should keep in mind while answering the questions. Through this video, he will help students to clear their doubts and understand the topic better.
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00:00 Introduction
01:22 Lens (Introduction)
03:24 Types of Lens
11:18 Some Important Terms : Principal Axis
14:03 Optical Centre
22:09 Principal Focus
27:27 Aperture
28:59 Website Overview
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