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Which one of the following has the longest wavelength?
A)
Radio waves
B)
Sound waves
C)
X-rays
D)
Infra-red ray

Krishna Am , 5 Years ago
Grade 11
anser 2 Answers
Rituraj Tiwari
Radio waves have the longest wavelength of all electromagnetic waves.
Last Activity: 5 Years ago
Vikas Amritiya

Radio waves have the longest wavelength of all electromagnetic waves. Their size can vary from a foot to a few miles long. Radio waves are used to transmit data for all sorts of things; radios, satellites, radar etc.

Last Activity: 5 Years ago
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