Chapter 12 RADIATION PYROMETER MCQs

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1. . A body that emits the maximum amount of heat for its absolute temperature is called________.





2. . Pyrometers are generally used to measure ________.





3. . The total e.m.f of the thermoelectric pyrometer is given as __________.





4. . Hotter objects emit more light at ___________ wavelength.





5. . Blackbody radiation is also called





6. . The amount of radiation energy emitted from a surface at a given wavelength depends on





7. . The emission is heat radiation which depends on ___________.





8. . The total radiation pyrometer receives a controlled sample of the total radiation of a hot body and focuses it on ___________.





9. . Pyrometer is used to measure the temperature of___________.





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