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
Answer» 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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