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Which of the following statements is false about single beam absorption instruments?

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Which of the following statements is false about single beam absorption instruments?

(a) Tungsten bulb is used as a source

(b) Beam splitter is used to get parallel beam

(c) Test tube is used as sample holder

(d) Photovoltaic cell as detector

The question was asked in an international level competition.

I'm obligated to ask this question of Single Beam and Double Beam Instruments in chapter Colorimetry and Spectrometry of Analytical Instrumentation

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Right answer is (b) Beam splitter is used to get parallel beam

Easy explanation: Single beam instruments make use of one beam. Therefore, beam splitters are not required in single beam instruments.

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