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प्रश्न
Arrange the following radiations in the order of their increasing wavelength:
X-rays, infrared rays, ratio waves, gamma ray and microwaves.
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उत्तर
Gamma rays < X-rays < infrared rays < micro waves < radio waves.
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संबंधित प्रश्न
Give the range of wavelength of the electromagnetic waves visible to us.
Why is exposure to X-rays injurious to health but not exposure to visible light, when both are electromagnetic waves?
Name the radiation which can be detected by thermopile.
To which regions of the electromagnetic spectrum do the following wavelengths belong:
(a) 250 nm
(b) 1500 nm
Answer briefly.
Name the most harmful radiation entering the Earth's atmosphere from outer space.
If the Earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain.
The ozone layer absorbs
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.
At what speed do all electromagnetic waves travel in a vacuum?
Which are uses of gamma rays?
