EMISSIVE POWER, ABSORPTIVE POWER AND EMISSIVITY

Emission And Absorption Spectrum|Emission Spectrum|Continous Spectrum|Line Spectrum|Absorption Spectrum|Difference Between Emission And Absorption Spectrum|Emission Spectrum Of Hydrogen|Rydberg Formula|Questions|Summary

Atomic Spectra And Emission And Absorption Spectra

Black Body Radiation|Emission And Absorption Spectrum|Summary

Radiation: Stefan's law | Emissive power | Absorptive power | Kirchhoff's law | Spectral emissive power (blackbody radiation curve) | Wein's law Newton's law of cooling: exact and approximate method

What is emissive power ?

S.I unit of emissive power is

S.I unit of emissive power is

These question consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following five responses. Assertion: Absorptive power of any substance is temperature independent. Buit emissive power depends on the temperature. Reason: Emissive power alpha T^(4)

These question consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following four responses. Assertion: Absorptive power of any substance is temperature independent. Buit emissive power depends on the temperature. Reason: Emissive power alpha T^(4)