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Which of the following is a source used in spectroscopy?

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Which of the following is a source used in spectroscopy?

(a) LASER

(b) Tube light

(c) Sodium vapour lamp

(d) Tungsten lamp

I 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

1 Answer

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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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