General Science • PhysicsEasy
Which instrument is used to measure extremely high temperatures, such as those of the sun or molten metals, by utilizing radiation laws?
A. Pyrometer✓ Correct Answer
B. Calorimeter
C. Hydrometer
D. Barometer
💡 Solution & Explanation
A pyrometer is a remote-sensing instrument utilized to measure extremely high temperatures, such as stellar radiation or molten metals, by analyzing thermal emissions. Alternative instruments like calorimeters, hydrometers, and barometers measure specific heat capacities, liquid densities, and atmospheric pressure respectively.
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