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Question: Answered & Verified by Expert
Absorption coefficient of an open window is
PhysicsThermal Properties of MatterCOMEDKCOMEDK 2013
Options:
  • A $1$
  • B $0.25$
  • C zero
  • D $0.5$
Solution:
2794 Upvotes Verified Answer
The correct answer is: $1$
An open window is like a perfectly black body that absorbs completely the quantity being transferred, so its absorption coefficient is unity or $1 .$

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