Same chapter3 marksDifficulty: Medium
State four properties of electromagnetic waves.
Electromagnetic Waves
3 marksDifficulty: Medium
Arrange the electromagnetic spectrum in order of increasing frequency and give one use of any three of its parts.
Original Khojo Papers practice question — not from a past board paper.
Answer
Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays and gamma rays. Radio waves are used in broadcasting, X-rays in medical imaging and infrared in thermal photography and remote controls.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
All travel at the same speed in vacuum and differ only in frequency and wavelength.
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