Chemical Engineering - Environmental Engineering - Discussion


Pick out the wrong statement pertaining to 'green house' for the plants.

[A]. 'Green house' (made of glass) allows visible sunlight (i.e., short wavelength solar radiation like ultra-violet rays) to pass through the glass and heat up the soil thereby warming up plants inside it.
[B]. The emitted longer wavelength radiation (e.g., infrared) is partly reflected and partly absorbed by the glass of the green house.
[C]. 'Green house effect' in earth's atmosphere is due to increasing CO2 level in atmosphere. where CO2 acts like the glass of 'green house' thereby warming up the earth's surface.
[D]. 'Green house' is colder than the outside atmosphere.

Answer: Option D


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