Geography, 10.10.2019 00:30 azireyathurmond1
3.) a thermal infrared thermometer is used to measure the temperature of an object. the setting of emissivity on the thermal infrared thermometer is 0.99. the temperature reading shows 40 c degree. what will be the temperature reading for the same object if you accidently change the emissivity setting on the thermal infrared thermometer to 0.98?
4.) assume that an object is opaque and does not transmit radiation, its reflectance in 8-14 µm is 0.4. how much is the object’s emissivity in 8-14 µm?
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