Question

which statement correctly describes the relationship between a blackbody radiator, its temperature, and the electromagnetic radiation it gives off?
a. as the blackbody radiator becomes warmer, it reflects different wavelengths of light.
b. as the blackbody radiator becomes warmer, it emits random wavelengths of light.
c. as the blackbody radiator becomes warmer, it emits light of shorter wavelengths.
d. as the blackbody radiator becomes cooler, it emits light of shorter wavelengths.

Explanation:

A black - body is a perfect absorber and emitter of radiation. According to Wien's displacement law, the peak wavelength of the radiation emitted by a black - body is inversely proportional to its temperature. So, as the temperature of a black - body radiator increases, the peak of the emitted radiation shifts to shorter wavelengths.

Answer:

C. As the blackbody radiator becomes warmer, it emits light of shorter wavelengths.