Which region of the ultraviolet spectrum is absorbed least by the atmosphere?
A)UV-A
B)UV-B
C)UV-C
D)They are all absorbed approximately equally

Question

Quizplus · Accepted Answer

UV-A has the longest wavelength among the options listed and is absorbed the least by the Earth's atmosphere, allowing it to reach the surface more effectively than UV-B and UV-C. UV-B and UV-C are more strongly absorbed by the ozone layer.

Which Region of the Ultraviolet Spectrum Is Absorbed Least by the Atmosphere