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What happens to the frequency of electromagnetic wave if its wavelength increases?
It decreases.
In the visible spectrum, which color has the LONGEST wavelength?
Red
What type of electromagnetic waves is used in RADAR?
Microwaves
What kind of wave is very dangerous, but have been used to kill cancer cells?
Gamma ray
Among the EM waves in EM spectrum, which carries the MOST energy?
Gamma ray
How many of the EM waves are visible?
one
This EM wave has the second highest energy on the EM spectrum.
X-ray
What type of electromagnetic waves cause sunburns?
Ultraviolet Ray
