Q.

Pick out the wrong statement:

A. With change in temperature, the radiant energy emitted by a black body remains unchanged
B. Absorptivity of a body approaches unity in case of diffuse reflection
C. Absorptivity of a perfectly black body is unity
D. Value of Stefan-Boltzmann constant is 4.876 × 10-8 KCal/m2 .hr.°K4
Answer» A. With change in temperature, the radiant energy emitted by a black body remains unchanged
1.3k
0
Do you find this helpful?
14

View all MCQs in

Heat Transfer (HT)

Discussion

No comments yet

Related MCQs