⚡ Electromagnetic Waves Class 12 One Shot | Boards 2026 | Full Chapter + PYQs 📡

⚡ Electromagnetic Waves (EM Waves) Class 12 One Shot for Boards 2026, JEE & NEET. Complete Chapter 8 Physics with Spectrum Tricks, Displacement Current & PYQs by Arvind Academy.

🔥 Complete Physics Course (Theory + PYQs) - BRAMHASTRA Series: 👉   • 🔥 BRAMHASTRA: Class 12 Physics Boards 2026...  
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📝 About this Video:Welcome to the Ultimate One Shot for Class 12 Physics Chapter 8: Electromagnetic Waves. This is the easiest and most scoring chapter for CBSE Boards 2026. We cover everything from Maxwell's Equations to the complete Electromagnetic Spectrum with memory tricks.🔥 Why this One Shot is Best?Concept Clarity: Understanding the need for Displacement Current ($I_d$).Memory Tricks: Best shortcuts to remember the order and uses of the EM Spectrum (Radio to Gamma).Derivations: Properties of EM Waves ($c = E_0/B_0$) and energy density.PYQs Included: Reasoning questions on Frequency, Wavelength, and Uses of waves.

Timestamps
0:00 - Introduction & PDF Notes Info

01:44 - History of EM Waves: Oersted to Maxwell

03:00 - Inconsistency of Ampere’s Circuital Law

05:51 - Concept of Displacement Current (Id)

12:35 - Maxwell-Ampere Circuital Law (Modified)

15:40 - Properties of Displacement Current (Continuity)

22:45 - Maxwell’s 4 Equations (Summary of Electromagnetism)

28:55 - Numerical: Calculation of Displacement Current

30:50 - Numerical: Displacement Current from Voltage Change

33:52 - Source of Electromagnetic Waves (Accelerated Charge)

37:45 - Nature of EM Waves (Transverse) & Direction (E x B)

41:20 - Equation of EM Waves & Relation (c = E0/B0)

44:48 - NCERT Numerical: Finding Electric Field from Magnetic Field

51:13 - Production of EM Waves (Oscillating Charge)

55:27 - Energy Density & Intensity of EM Waves

58:36 - Momentum & Radiation Pressure of EM Waves

01:03:06 - Conceptual Questions on Energy & Momentum

01:07:13 - Electromagnetic Spectrum: Overview & Order

01:10:30 - Radio Waves: Production & Uses

01:11:35 - Microwaves: Radar & Ovens

01:12:24 - Infrared Waves: Heating & Remote Controls

01:15:07 - Ultraviolet (UV) Rays: Water Purification & Risks

01:16:53 - X-Rays: Medical & Industrial Uses

01:18:59 - Gamma Rays: Cancer Treatment & Nuclear Reactions

01:19:56 - Important Reasoning Questions on EM Spectrum

01:22:20 - Conclusion & Course Details

Electromagnetic Waves One Shot Class 12 Displacement Current Derivation Class 12 Electromagnetic Spectrum Tricks to Remember Properties of Electromagnetic Waves Maxwell Equations Class 12 Physics Uses of X Rays and Gamma Rays Physics Class 12 Chapter 8 Important Questions 2026 Arvind Academy Physics EM Waves

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