Q. Which of the following device can be used to measure temperatures of hot bodies radiating energy in visible spectrum

(A) Bolometer
(B) Optical pigometer
(C) Thermopile
(D) Piezometer

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✅ Correct Answer: (B) Optical pigometer

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 06:41 pm in Mechanical Measurements

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