Examveda

Temperature of distant luminous bodies can be determined by

A. Mercury thermometers

B. Gas thermometers

C. Pyrometers

D. Colour thermometers

Answer: Option C

Solution (By Examveda Team)

A pyrometer is a type of remote-sensing thermometer used to measure the temperature of a surface. It is a device that from a distance determines the temperature of a luminous surface from the spectrum of the thermal radiation it emits, a process known as pyrometry.

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