CBSE Class 11-science Answered
what is planck's quantum theory in short
Asked by chsimha3 | 07 Jul, 2021, 03:30: PM
Expert Answer
Max Plank in 1901 , gave a new revolutionary theory known as Quantum theory of radiation.
Main features of this theory are :
- radiant energy is not emitted or absorbed continously but discontinously in the form of small packets of energy called Quanta. Each quanta is associated with a definite amount of energy .
- E is directly proportional to frequency of light,
3. The total amount of energy emitted or absorbed by the body will be some whole no. multiple of quantum ,i.e,
E=nhv , where n is an integer such as 1, 2, 3, ....
Since, the frequency 
, wavelength ?, and speed of light c are related by ?? = c, the Planck relation for a photon can also be expressed as
, wavelength ?, and speed of light c are related by ?? = c, the Planck relation for a photon can also be expressed as
The above equation leads to another relationship involving the Planck constant.
Answered by Ramandeep | 08 Jul, 2021, 01:05: PM
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