Discussion Forum : Heat And Mass Transfer
Question - The ratio of the energy absorbed by the body to total energy falling on it is called
Options:
A .  Absorptive power
B .  Emissive power
C .  Absorptivity
D .  Emissivity
Answer: Option A
Absorptive power is a measure of heat absorbed by an object. When heat is incident on the surface an object, a part of it is absorbed and the remaining part is reflected. Usually the absorbed radiation is converted to thermal energy, increasing the object's temperature.

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