Frequency an electromagnetic wave depends on the sourceof wave and is independent of the nature of a medium. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
Category: Class 12 Physics
NCERT Solutions for Class 12 Physics updated for CBSE academic session 2021-2022.
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Speed of microwaves as well as UV radiations remain same in vacuum at 3 × 10⁸ Ms-¹ . Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
Eo = c Bo or c = Eo/Bo . Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
If a plane electromegnetic wave travels in vacuum along z- direction, than direction of electric field vector is along x- direction and that of magnetic field along y- directionor vice versa. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
In electromagnetic waves electric and magnetic fields oscillate in mutually perpendiculor directions as well as perpendicular to the direction of propagation if e.m. wave. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.