As an electromagnetic wave contains both electric and magnetic fields, it must carry enery and consequently momentum too. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
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Ultraviolet ray part of electromagnetic spectrum from sunlight is absorbed by ozone layer. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
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.
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.