Question:medium

Principle of radiation pyrometer is based on

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Non-contact temperature measurement = Radiation Pyrometry.
The dominant law for total radiated power is the Stefan-Boltzmann Law ($E \propto T^4$).
For contact-based temperature measurement (thermocouples), the Seebeck effect is the key principle.
Updated On: Jul 6, 2026
  • Kirchoff's law
  • Seeback Effect
  • Stefan Boltzman law
  • Peltier effect
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The Correct Option is C

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