WHICH_OF_THE_FOLLOWING_RADIATING_SOURCE_IS_MOST_COMMON_AND_CONVENIENT_FOR_USE_IN_SPECTROPHOTOMETER??$

WHICH_OF_THE_FOLLOWING_RADIATING_SOURCE_IS_MOST_COMMON_AND_CONVENIENT_

1.	WHICH_OF_THE_FOLLOWING_RADIATING_SOURCE_IS_MOST_COMMON_AND_CONVENIENT_FOR_USE_IN_SPECTROPHOTOMETER??$
A.	Carbon Arc Lamp
B.	Mercury-vapor Lamp
C.	Tungsten Lamp
D.	Xenon Arc Lamp
Answer» D. Xenon Arc Lamp