A cylindrical surface of radius 15 cm and length 0.8 m maintained at a temperature of 140°C is continuously emitting radiations. If the emissivity of the surface is 0.93. (consider: Stefan's constant σ = 5.67 x 10-8 W/m2T4) Calculate the rate of heat energy radiated in Watts =

A cylindrical surface of radius 15 cm and length 0.8 m maintained at a temperature of 140°C is continuously emitting radiations. If the emissivity of the surface is 0.93. (consider: Stefan's constant σ = 5.67 x 10-8 W/m2T4) Calculate the rate of heat energy radiated in Watts =

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 58PQ

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