Transmission Of Heat Question 333
Question: The maximum spectral emissive power for a black body at temperature 5000K is obtained at$ {\lambda _{m}}=6000\overset{o}{\mathop{A}},. $ If the temperature is increased by 10% then decrease in $ {\lambda _{m}} $ will be (approximately)
Options:
A) 3.5%
B) 7.5%
C) 10%
D) 5%
Show Answer
Answer:
Correct Answer: C
Solution:
[c] $ \frac{d\lambda }{\lambda }\times 100=-( \frac{dT}{T}\times 100 )=-10% $
BETA
