Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 1)
Which type of light energy is effectively absorbed by CO2 in the lower boundary of the troposphere ?
X - rays
UV - rays
Visible light
Infra-red rays
Answer: Option
No answer description is available. Let's discuss.
13 comments Page 2 of 2.

Gnana kumar said:   9 years ago
Why UV not absorb the carbon dioxide?

Vivek said:   10 years ago
Infra red is the only above mentioned rays having power to vibrate Co2. That's the only reason.

Harshida said:   1 decade ago
Light energy in the form of visible light, UV reaches the earths surface which is re radiated with a greater wavelength in the form of IR radiation and it is absorbed by CO2, Which is the main cause of global warming.

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