A large cavity that has a very small hole and is maintained at a temperature T' is a good approximation to an ideal radiator or blackbody. Radiation can pass into or out of the cavity only through the hole. The cavity is a perfect absorber, since any radiation incident on the hole becomes trapped inside the cavity. Such a cavity at 500° has a hole with area 5.00 mm². Part A How long does it take for the cavity to radiate 200 J of energy through the hole? Express your answer in seconds. ΜΕ ΑΣΦ ?
A large cavity that has a very small hole and is maintained at a temperature T' is a good approximation to an ideal radiator or blackbody. Radiation can pass into or out of the cavity only through the hole. The cavity is a perfect absorber, since any radiation incident on the hole becomes trapped inside the cavity. Such a cavity at 500° has a hole with area 5.00 mm². Part A How long does it take for the cavity to radiate 200 J of energy through the hole? Express your answer in seconds. ΜΕ ΑΣΦ ?
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter6: Photons And Matter Waves
Section: Chapter Questions
Problem 57P: (a) For what temperature is the peak of blackbody radiation spectrum at 400 nm? (b) If the...
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