Amongst the sources listed below, name two powerful sources of ultraviolet radiations. A room heater Sun Electric lamp Arc welding

English

Amongst the sources listed below, name two powerful sources of ultraviolet radiations. (i) A room heater (ii) Sun (iii) Electric lamp (iv) Arc welding

Amongst the sources listed below, name two powerful sources of ultraviolet radiations.

Very Short Answer

The two powerful sources of ultraviolet radiation are the sun and arc welding (an electric arc).

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Chapter 5: Electromagnetic Waves and Spectrum - EXERCISE [Page 114]

Chapter 5 Electromagnetic Waves and Spectrum
EXERCISE | Q 9. (j) | Page 114

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