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प्रश्न
How can you detect ultraviolet radiation? Explain briefly.
स्पष्ट कीजिए
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उत्तर
Ultraviolet radiation can be detected using photographic film containing silver salts, which darkens when exposed to it. It can also be detected by fluorescence: for example, quinine sulphate absorbs ultraviolet radiation and emits bluish light.
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