MCQOPTIONS
Bookmark
Saved Bookmarks
→
Engineering Physics
→
Thermal Conductivity in Engineering Physics
→
For an object other than a black body, it’s emi..
1.
For an object other than a black body, it’s emissivity, e is _______________
A.
1
B.
0 < e < 1
C.
e > 1
D.
e = 0
Answer» C. e > 1
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
What is the relation between the Energies as shown in the figure?
What relation between emissivity, e, and Absorptive Power, a, is given by Kirchhoff’s law?
For an object other than a black body, it’s emissivity, e is _______________
The unit of absorptive power is _______________
Electromagnetic wave theory of light could not explain Black Body radiations.
From the figure, what’s the relation between T1, T2, and T3?
A black body is defined as a perfect absorber of radiations. It may or may not be a perfect emitter of radiations.
An iron rod is heated. The colors at different temperatures are noted. Which of the following colors shows that the iron rod is at the lowest temperature?
The radiations emitted by hot bodies are called as ________________
As the wavelength of the radiation decreases, the intensity of the black body radiations ____________
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply