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Mr. Dubey • 51.62K Points
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Q.) Which of the following is not a source used in Mid Infrared Spectrophotometer?

(A) nernst glower
(B) high pressure mercury arc lamp
(C) globar
(D) nichrome wire
Correct answer : Option (B) - high pressure mercury arc lamp

Explanation: 
 high pressure mercury arc lamp is used as the source for far ir spectrophotometer. rest of the options are used as a source in mid infrared spectrophotometer.

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