Q. According to quantum theory radiant energy is not emitted or absorbed continuously but discontinuously in the form of tiny bundles of energy known as

A
Electrons
B
Quanta
C
Wave
D
Proton
Solution:

? Quantum theory was proposed by max plank.

? Niels Bohr proposed atom model on the basis of quantum theory.

? According to the classical electromagnetic laws electrons which revolve around the nucleus emit energy in the form of radiation so that electrons which lose energy falls down into the nucleus. A satisfactory explanation for this phenomenon is obtained by the introduction of max planks quantum theory.

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