Answer:
Red light has a lower wavelength and a longer frequency than does blue light.
Step-by-step explanation:
As can be seen on the electromagnetic spectrum, red light (and all visible light) has a lower frequency, and therefore a longer wavelength, than ultraviolet rays
v = c / λ
v = 1 / λ
v = frequency, λ = wavelength
Ultraviolet region to visible region wavelength increases
Ultraviolet region to red color wavelength increases
Red light has a low frequency and high wavelength than ultraviolet rays