The Spectral Emittance Is Defined as the

The spectral emittance is defined as the

A) energy per volume emitted by a glowing body per unit wavelength.
B) power emitted by a glowing body per unit frequency.
C) energy per unit time per unit area emitted by a glowing body per unit wavelength.
D) power emitted by a glowing body per unit frequency per unit area.
E) None of the above is correct.