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Question
Green house effect of CO2 is
Green house effect of CO2 is
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Solution
The correct option is D Permitting the outside solar radiation to reach the ground but preventing terrestrial radiation from the ground into the space
- Earth receives energy from the sun in the form of ultraviolet, visible and infrared radiation.
- About 26% of the incoming solar energy is reflected to space by the atmosphere and clouds and 19% is absorbed by the atmosphere and clouds.
- Most of the remaining energy is absorbed at the surface of earth.
- Because the earth's surface is colder than the sun, it radiates at wavelengths that are much longer than the wavelengths that were absorbed.
- Most of this thermal radiation is absorbed by the atmosphere and warms it.
- The atmosphere also gains heat by sensible and latent heat fluxes from the surface.
- The atmosphere radiates energy both upward & downwards the part radiated downwards is absorbed by the surface of earth. This leads to a higher equilibrium temperature than if the atmosphere were absent.
- Earth receives energy from the sun in the form of ultraviolet, visible and infrared radiation.
- About 26% of the incoming solar energy is reflected to space by the atmosphere and clouds and 19% is absorbed by the atmosphere and clouds.
- Most of the remaining energy is absorbed at the surface of earth.
- Because the earth's surface is colder than the sun, it radiates at wavelengths that are much longer than the wavelengths that were absorbed.
- Most of this thermal radiation is absorbed by the atmosphere and warms it.
- The atmosphere also gains heat by sensible and latent heat fluxes from the surface.
- The atmosphere radiates energy both upward & downwards the part radiated downwards is absorbed by the surface of earth. This leads to a higher equilibrium temperature than if the atmosphere were absent.
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