what is plancks quantum theory
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After the failure of classical electromagnetic theory of radiation to explain photoelectric effect affect led Max Planck to propose a new theory on EM radiation which later known as Quantum theory of radiation.
Two major postulates of this theory are:-
Radiant energy is emitted or absorbed not continuously but discontinuously in the form of small packets of energy called quanta.The amount of energy of energy associated with a quantum( or photon) of radiation is proportional to the frequency of radiation.A body can emit or absorb energy only in terms of integral multiples of quantum..
E ∝ v
=> E = hv , where v is frequency of radiation and h is called Planck's constant (= 6.625 × 10^ -34 Js).
This theory is put forward to explain phenomenons like Black Body radiation, Photoelectric effect, etc
Two major postulates of this theory are:-
Radiant energy is emitted or absorbed not continuously but discontinuously in the form of small packets of energy called quanta.The amount of energy of energy associated with a quantum( or photon) of radiation is proportional to the frequency of radiation.A body can emit or absorb energy only in terms of integral multiples of quantum..
E ∝ v
=> E = hv , where v is frequency of radiation and h is called Planck's constant (= 6.625 × 10^ -34 Js).
This theory is put forward to explain phenomenons like Black Body radiation, Photoelectric effect, etc
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Answer:
Plank Quantum theory is described as the smallest amount of energy that can be emitted or absorbed in the form of electromagnetic radiation is known as quantum. The energy of the radiation absorbed or emitted is directly proportional to the frequency of the radiation.
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