1.

Which of the following is a source used in spectroscopy?(a) LASER(b) Tube light(c) Sodium vapour lamp(d) Tungsten lampI had been asked this question at a job interview.The origin of the question is Single Beam and Double Beam Instruments in chapter Colorimetry and Spectrometry of Analytical Instrumentation

Answer»

The CORRECT choice is (d) Tungsten lamp

Explanation: Tungsten lamp is the SOURCE USED in SPECTROSCOPY. It is the source used in UV, Visible spectroscopy.



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