JEE Main · PhysicsEasy
Which of the following electromagnetic waves has the longest wavelength?
- A.Gamma rays
- B.Radio waves
- C.Ultraviolet rays
- D.X-rays
Show correct answer & step-by-step solution
Correct answer: B — Radio waves
Solution
The electromagnetic spectrum is ordered by wavelength and frequency. Radio waves occupy the region with the longest wavelengths and lowest frequencies, while gamma rays have the shortest wavelengths.
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