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Multiple Choice
Which of the following types of electromagnetic radiation has the second lowest frequency?
A
Radio waves
B
Ultraviolet
C
Microwaves
D
Infrared
Verified step by step guidance
1
Recall the order of electromagnetic radiation types by frequency, from lowest to highest frequency: Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays.
Identify the type of radiation with the lowest frequency, which is Radio waves.
Determine the type of radiation that comes immediately after Radio waves in terms of increasing frequency, which is Microwaves.
Confirm that Microwaves have a higher frequency than Radio waves but lower than Infrared and Ultraviolet.
Conclude that the electromagnetic radiation with the second lowest frequency is Microwaves.