The ratio of the emissive power and absorptive power of all bodies is – McqOptions

MCQOPTIONS

1.	The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as
A.	Krichoff's law
B.	Stefan's law
C.	Wien' law
D.	Planck's law
Answer» B. Stefan's law

Discussion

No Comment Found

Related MCQs

When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by
When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by
The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as
40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the absorptivity of surface is
Heat conducted through unit area and unit thick face per unit time when temperature difference between opposite faces is unity,is called