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प्रश्न
If the Earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain.
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उत्तर
If the Earth did not have atmosphere, then there would be absence of greenhouse effect of the atmosphere. Due to this reason, the temperature of the earth would be lower than what it is now.
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संबंधित प्रश्न
Name the phenomenon which shows the quantum nature of electromagnetic radiation.
Name two sources, each of infrared radiations and ultraviolet radiations.
Two waves A and B have wavelength 0.01 Å and 9000 Å respectively.
Name the two waves. compare the speeds of these waves when they travel in vacuum.
Name the radiation which can be detected by thermopile.
Arrange the following electromagnetic waves in increasing order of their frequencies (i.e. begin with the lowest frequency):
Visible light, y rays, X rays, microwaves, radio waves, infrared radiations, and ultraviolet radiation.
Define the term "Intensity" in the photon picture of electromagnetic radiation.
Choose the correct option.
How does the frequency of a beam of ultraviolet light change when it travels from air into glass?
Microwaves are electromagnetic waves with frequency in the range of.
Identify the part of the electromagnetic spectrum which:
- produces the heating effect.
- is absorbed by the ozone layer in the atmosphere.
- is used for studying crystal structure.
Write any one method of the production of each of the above radiations.
Assertion (A): Ultraviolet radiations is scattered more as compared to the microwave radiations.
Reason (R): Wavelength of ultraviolet radiation is more than the wavelength of microwave radiation.
