

McqMate
Q. |
is not a source of radiant energy. |
A. | Tungsten-mercury lamp |
B. | Tungsten lamp |
C. | Xenon-mercury arc |
D. | Deuterium discharge lamp |
Answer» A. Tungsten-mercury lamp | |
Explanation: Radiant just means energy that can move from one place to another without a medium to carry it. A source of radiant energy, which may be a tungsten lamp, a xenon-mercury arc, hydrogen or deuterium discharge lamp, etc. |
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