Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

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Ram Sharma • 188.81K Points
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Q.) Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

(A) Mercury in glass thermometer

(B) Optical pyrometer

(C) Iron-constantan thermocouple

(D) Alcohol filled thermometer

Correct answer : Option (B) - Optical pyrometer

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