According to Kirchoff's law, ratio of emissive power to absorptivity f – McqOptions

MCQOPTIONS

1.	According to Kirchoff's law, ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a
A.	grey body
B.	brilliant white polished body
C.	red hot body
D.	black body
Answer» E.

Discussion

No Comment Found

Related MCQs

Water is used as a in air conditioning units.
The vapour going to condenser is in temperature and in ammonia.
A condenser must and then the compressed refrigerant.
Superheating of vapour and subcooling of liquid the refrigerating effect.
Compounding efficiency at low speed.
Gas flows through the nozzle from an area of pressure (called the chamber) to one of pressure
When a gas is pushed through a pipe, the gaseous molecules are by the pipe’s walls
A cubical block rests on an inclined plane of μ = 1/√3, determine the angle of inclination when the block just slides down the inclined plane?
Critical pressure ratio is ratios of pressures at discharge.
A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?