Integrated Concepts Assume the mostly infrared radiation from a heat lamp acts like a
Chapter 24, Problem 42(choose chapter or problem)
Integrated Concepts Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 m . (a) If the lamps 200-W output is focused on a persons shoulder, over a circular area 25.0 cm in diameter, what is the intensity in W/m2 ? (b) What is the peak electric field strength? (c) Find the peak magnetic field strength. (d) How long will it take to increase the temperature of the 4.00-kg shoulder by 2.00 C , assuming no other heat transfer and given that its specific heat is 3.47103 J/kg C ?
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