WHICH_OF_THE_FOLLOWING_IS_NOT_A_SOURCE_OF_RADIANT_ENERGY??$ – McqOptions

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1.	WHICH_OF_THE_FOLLOWING_IS_NOT_A_SOURCE_OF_RADIANT_ENERGY??$
A.	Tungsten-mercury lamp
B.	Tungsten lamp
C.	Xenon-mercury arc
D.	Deuterium discharge lamp
Answer» B. Tungsten lamp

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