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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 |
Answer» D. tetraglycine sulphate | |
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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