Earth's atmosphere is opaque to waves that are concentrated in the
A)infrared part of the spectrum.
B)visible part of the spectrum.
C)entire electromagnetic spectrum.

Question

Quizplus · Accepted Answer

The Earth's atmosphere is basically opaque to electromagnetic waves that are concentrated in the infrared part of the spectrum. This means that a significant portion of the infrared radiation (IR) that comes from the Sun, Earth, and other celestial bodies gets absorbed, reflected or scattered by the atmosphere before reaching the surface of the Earth. In contrast, the atmosphere is mostly transparent to visible light (the part of the spectrum that we can see), which allows this radiation to penetrate and illuminate the Earth's surface. Therefore, choice A is the best answer as the infrared part of the spectrum is the one that is most impacted by the opacity of the Earth's atmosphere.

Earth's Atmosphere Is Opaque to Waves That Are Concentrated in the