7. One surface is remained at temperature of 300 K and it’s heat current in radiation is H. When it was heated to 600 K, what is the heat current in radiation of this surface comparing to that at 300 K?
(A) 32H
(B) 16H
(C) 8H
(D) 4H
(E) 2H

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統計: A(0), B(44), C(2), D(5), E(8) #2356583

詳解 (共 2 筆)

#4154576
 輻射強度正比於溫度4
(共 13 字,隱藏中)
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5
0
#4744391
P=eσ(T)4  e介於0到1  ...
(共 61 字,隱藏中)
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4
0