Скачать или смотреть 03- Mirror Formula | Derivation | Ray Optics Class 12 | JEE/NEET | Satish Goyal Physics Classes

Welcome to Satish Goyal Physics Classes – Your trusted place for mastering Class 12 Physics, JEE & NEET preparation.
In today’s lecture, we cover one of the most important topics of Ray Optics – Mirror Formula.
This concept is widely used in concave mirrors, convex mirrors, ray diagrams, numericals, and image formation problems.
🔍 What You Will Learn in This Lecture
In this detailed session on Mirror Formula, we will understand the following:
Concept of mirror formula
Sign conventions (New Cartesian system)
Derivation of the mirror formula
Use of u, v & f
Relation between focal length, object distance & image distance
Mirror magnification formula
Numerical problems for board exams
JEE/NEET pattern MCQs
Common mistakes students make
Tricks to solve mirror formula questions faster
📚 Why This Topic is Important?
Mirror Formula is the foundation of Ray Optics, and it appears in:
Class 12 CBSE Board Exams
JEE Main & Advanced
NEET Physics
Olympiads
School exams (ICSE, ISC, IB, CI, IGCSE)
Understanding this topic helps you solve questions related to:
Image formation
Mirror magnification
Real & virtual image positions
Nature of images
Ray tracing methods
Curved mirrors (concave/convex)
🏫 About Satish Goyal Physics Classes
We provide coaching for:
✔ Class 11 & 12 Physics
✔ JEE Main/Advanced
✔ NEET UG
✔ CBSE/ICSE/IB/CI/IGCSE
✔ Foundation (Class 8–10)
✔ One-on-One Classes (Limited Students)
✔ Offline Classes at Kalkaji, New Delhi
✔ Online Classes for Students Across India
Website: www.satishgoyalphysics.com
Phone: 9711289192
📝 Topics Covered in the Complete Ray Optics Playlist
Reflection of Light
Types of Mirrors
Image Formation
Plane Mirror Formula
Spherical Mirrors
Mirror Formula
Numerical Based on Mirror Formula
Refraction of Light
Lens Formula
Total Internal Reflection
Optical Instruments
Huygens Principle
Young’s Double Slit Experiment
Polarization
🎯 Who Should Watch This Video?
This video is perfect for:
Class 12 Students (CBSE/ICSE/State Boards)
JEE Main & Advanced Aspirants
NEET UG Aspirants
Droppers / Repeaters
Students preparing for competitive exams
Anyone struggling with ray optics numericals
📌 Key Highlights
Easy explanation
Step-by-step derivation
Visual ray diagrams
Board-level and competitive-level numericals
Shortcut techniques
Teacher with 25+ years of experience
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