Electromagnetic Waves | Class 12 Physics Ch 8 One Shot in Hindi | NCERT Revision

Electromagnetic Waves - Class 12 Physics Chapter 8 (NCERT) revision in 15 minutes, explained in Hindi with step-by-step animations, quick quizzes and a one-minute recap. Free NCERT notes, flashcards and NEET/JEE practice: https://padhaipaglu.com/?utm_source=y... Open this chapter on PadhaiPaglu: https://padhaipaglu.com/study?chapter... Get the Padhai Paglu app: https://play.google.com/store/apps/de... Quick revision and one shot of Electromagnetic Waves for Class 12 Physics: CBSE 2026-27 exam preparation, NCERT based, and a good first pass for NEET/JEE foundations. Pause at each quiz and try it before the answer. In this video: Maxwell's idea and displacement current Ampere-Maxwell law What electromagnetic waves are and why no medium is needed How accelerating charges produce EM waves Relation between E and B fields (E0 = cB0) Energy, momentum and radiation pressure The electromagnetic spectrum, radio waves to gamma rays Chapters: 0:00 Introduction 0:19 Roadmap 0:46 Maxwell's idea: changing E field makes B field 1:41 Displacement current and Ampere-Maxwell law 2:51 Displacement current is not a real charge flow 3:08 Quick quiz 1 3:35 What is an electromagnetic wave 4:25 EM waves need no medium, and what creates them 4:48 Source of EM waves: accelerating charges 5:33 Quick quiz 2 6:03 E and B fields: perpendicular, amplitude relation 7:30 E, B and propagation direction are mutually perpendicular 7:50 Energy, momentum and radiation pressure 8:44 The electromagnetic spectrum overview 9:34 Radio waves and microwaves 10:14 Infrared and visible light 11:04 Ultraviolet, X-rays and gamma rays 12:07 Common mistakes about the EM spectrum 12:54 Quick quiz 3 13:29 One-minute recap Next chapter: Ray Optics and Optical Instruments -    • Ray Optics and Optical Instruments | Class...   Full playlist (Class 12 Physics - NCERT Chapter Revision):    • Class 12 Physics - NCERT Chapter Revision   The narration is in Hindi; all on-screen text is English. #Class12Physics #NCERT #PadhaiPaglu #Class12 #Physics #CBSE