The idea that light could be emitted only in discrete chunks, or quanta, instead of in continuous amounts was first put forth to explain which of the following phenomena?
A) Blackbody radiation.
B) X-rays.
C) The spectrum of atomic hydrogen.
D) Cathode rays.
E) Radioactive decay.

Question

Quizplus · Accepted Answer

The theory of quantization of light was first proposed by Max Planck in order to explain the observed spectrum of blackbody radiation.

The Idea That Light Could Be Emitted Only in Discrete