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प्रश्न
उत्तर
There are three properties of ultraviolet radiation that are similar to those of visible light:
1. They travel in straight lines as light does, with a speed equal to 3 x 108 m/s in a vacuum.
2. They obey the laws of reflection and refraction.
3. They are unaffected by electric and magnetic fields.
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संबंधित प्रश्न
Give two properties of ultraviolet radiations which differ from the visible light.
Give reason for the following:
Ultraviolet bulbs have a quartz envelope instead of glass.
Name the radiation which can be detected by a solution of silver chloride.
Name the material prism required for obtaining the spectrum of ultraviolet light.
State one harmful effect of the ultraviolet radiation.
Name the radiations whose wavelength range is from 100 Å to 4000 Å (or 10 nm to 400 nm).
Suggest one way, in each case, by which we can detect the presence of Ultraviolet radiation.
Name the invisible radiations which are studied using the quartz prism.
State one use of ultraviolet radiations.
How are ultraviolet radiations detected?
