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CO laser is operated at liquid nitrogen temperature.

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CO laser is operated at liquid nitrogen temperature.

(a) True

(b) False

I have been asked this question in homework.

I want to ask this question from Estimation of Nitrogen Oxides topic in portion Pollution Monitoring Instruments of Analytical Instrumentation

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Right choice is (a) True

For explanation: CO laser is operated at liquid nitrogen temperature. It is a DC-excited continuous working laser.

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