A thermograph measures the infrared radiation from each small area of a persons skin. Because the skin

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A thermograph measures the infrared radiation from each small area of a person’s skin. Because the skin over a tumor radiates more than skin from nearby areas, a thermograph can help detect cancer cells. The emissivity e (in %) of radiation as a function of skin temperature T (in K) is e = f (T) = 100(T4 − 3074)/3074, if nearby skin is at 34°C (307 K). Find e for T = 309 K.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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