Which of the following statements in Not correct regarding the Ultra-violet rays?; 1) It is a class of electromagnetic waves of various wavelengths ranging from 200 nm - 520 nm.; 2) It has more energy than the visible part of the solar spectrum.; 3) Ultra-Violet Rays are mainly classified in three spectral regions UV-A, UV-B and UV-C.; 4) The biological effects of Ultraviolet Rays vary enormously with changes in the wavelength of the radiation
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Which of the following statements in Not correct regarding the Ultra-violet rays?; 1) It is a class of electromagnetic waves of various wavelengths ranging from 200 nm - 520 nm.; 2) It has more energy than the visible part of the solar spectrum.; 3) Ultra-Violet Rays are mainly classified in three spectral regions UV-A, UV-B and UV-C.; 4) The biological effects of Ultraviolet Rays vary enormously with changes in the wavelength of the radiation
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