Question

givє τωσ ρrσρєrτiєs σƒ υv rα∂iατiσท ωнicн ∂iƒƒєr ƒrσм visiвℓє ℓigнτ ??​

Answer 1

Explanation:

(i) Ultra-violet radiations are of wavelength shorter than that of visible light.

(ii) Ultra-violet radiations are more chemically active than the visible light.

Answer 2

Explanation:

State two properties of ultra-violet radiations which differ from visible light. Answer: (i) Ultra-violet radiations are of wavelength shorter than that of visible light. (ii) Ultra-violet radiations are more chemically active than the visible light.

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