Working principle of disappearing filament type optical pyrometer is based on the Options: A . &nbspWien's law B . &nbspSeebeck effect C . &nbspKirchoff's law D . &nbspPeltier effect

Working principle of disappearing filament type optical pyrometer is based on th

Question

Working principle of disappearing filament type optical pyrometer is based on the

Options:

A . Wien's law

B . Seebeck effect

C . Kirchoff's law

D . Peltier effect

Answer: Option A
Answer: (a).Wien's law

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