Q: Commonly used source of light in a UV spectrophotometer is- (a) (b) (c) (d)
A.
Hydrogen discharge lamp
B.
Mercury arc
C.
Tungsten lamp
D.
Deuterium lamp
Correct Answer:
Option D - Two kinds of lamps, a Deuterium for measurement in the ultraviolet range and a tungsten lamp for measurement in the visible and near-infrared ranges are used as the light sources of a spectrophotometer.
D. Two kinds of lamps, a Deuterium for measurement in the ultraviolet range and a tungsten lamp for measurement in the visible and near-infrared ranges are used as the light sources of a spectrophotometer.
Explanations:
Two kinds of lamps, a Deuterium for measurement in the ultraviolet range and a tungsten lamp for measurement in the visible and near-infrared ranges are used as the light sources of a spectrophotometer.
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