GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the longest wavelength in the spectrum?
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Red
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Gamma Waves
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Radio waves
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X-Ray
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Explanation:
Detailed explanation-1: -Radiowaves have the longest wavelength in the electromagnetic spectrum. Radiowaves have frequencies from 300 GHz to as low as 3 kHz and corresponding wavelengths from 1 millimetre to 100 kilometres. The wavelength of gamma rays is less than 0.5×10−10 metre and have the least wavelength.
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