The atmosphere is mainly transparent to this form of ultraviolet radiation?
A)UV-C
B)UV-B
C)UV-A
D)The atmosphere is equally transparent to UV-A,UV-B,and UV-C radiation.

Question

The atmosphere is mainly transparent to this form of ultraviolet radiation? 
A)UV-C 
B)UV-B 
C)UV-A 
D)The atmosphere is equally transparent to UV-A,UV-B,and UV-C radiation.

Quizplus · Accepted Answer

The atmosphere is mainly transparent to UV-A radiation, which has longer wavelengths and lower energy than UV-B and UV-C radiation. UV-B radiation is partially absorbed by the ozone layer, while UV-C radiation is completely absorbed.

The Atmosphere Is Mainly Transparent to This Form of Ultraviolet