Question

Explain the detection of ultraviolet rays

Answer 1

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silver chloride solution is exposed to the electromagnetic waves starting from the red to wallet and and then we wanted it is observed that from red to elect and the solution remains almost unaffected but just beyond the violet and the solution for stones violet and their finally becomes dark brown or black it shows the that there exists certain radiations beyond the violet extreme of the visible part which are chemically more active than the visible light radiations are called ultraviolet radiations or actinic rays

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Answer 2

Explanation:

Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs and specialized lights, such as mercury-vapor lamps, tanning lamps, and black lights. Although long-wavelength ultraviolet is not considered an ionizing radiation because its photons lack the energy to ionize atoms, it can cause chemical reactions and causes many substances to glow or fluoresce.

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