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Which electromagnetic waves are invisible and have the longest wavelengths, ranging from a few inches to longer than a football field?

A. infrared radiation
B.ultraviolet radiation
C.radio waves
D.microwaves

User Peter Host
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2 Answers

6 votes

Answer:

c would be the answer

Step-by-step explanation:

User Tho Nguyen
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according to my notes, C. longest wavelength to shortest: radio waves, microwaves, infra-red rays, visible light, ultraviolet rays, X-rays and lastly, gamma radiation.
User Matanper
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