Environmentalhard · Past Paper
Which 'Window' in the electromagnetic spectrum allows most of Earth's heat to escape back into space?
AThe Visible Window
BThe Infrared Window (8-13 micrometers)
CThe UV Window
DThe Radio Window
✓ Correct Answer: B — The Infrared Window (8-13 micrometers)
The atmospheric window is a range of wavelengths where the atmosphere is transparent to infrared radiation, allowing heat to escape directly into space.
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