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Mr. Dubey • 52.30K Points
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Q. Which of the following is not used as pyroelectric material used in pyroelectric transducers in Infrared spectroscopy?

(A) triglycine sulphate
(B) deutrated triglycine sulphate
(C) some polymers
(D) tetraglycine sulphate
Correct : Option (D)

Explanation: 
 pyroelectric materials are deutrated triglycine sulphate, triglycine sulphate and some polymers. they give rise to potential when subjected to a heating or cooling effect.

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