A

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Q. Temperature of distant luminous bodies can be determined by

  • (A) Mercury thermometers
  • (B) Gas thermometers
  • (C) Pyrometers
  • (D) Colour thermometers
  • Correct Answer - Option(C)
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  • Filed under category Physics
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Explanation by: Admin
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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