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प्रश्न
What effect do the ultra-violet radiations have on the human body?
उत्तर
The ultra-violet radiations cause skin diseases on the human body.
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संबंधित प्रश्न
Give two properties of ultraviolet radiations which differ from the visible light.
Give reason for the following:
A quartz prism is required for obtaining the spectrum of ultraviolet 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.
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?
