IB
IBO
Physics
October 2012
QP-201210-Physics-P1-SL · Question 26
Question (excerpt):
8812-6504 Turn over 26. For a black-body at absolute temperature T the power emitted per unit area is P. What is the power emitted per unit area when the temperature is decreased to 1 2T? A. 32 P B. 1…
8812-6504 Turn over 26. For a black-body at absolute temperature T the power emitted per unit area is P. What is the power emitted per unit area when the temperature is decreased to 1 2T? A. 32 P B. 1…
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