Write a short note on quantum theory of radiation.
Write a short note on quantum theory of radiation.
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i. Max Planck put forward a theory known as Planck’s quantum theory to explain blackbody radiation.
ii. According to this theory, the energy of electromagnetic radiation depends upon the frequency and not the amplitude.
iii. The smallest quantity of energy that can be emitted or absorbed in the form of electromagnetic radiation is called as ‘quantum’.
iv. The energy (E) of each quantum of radiation is directly proportional to its frequency (ν).
i.e.,
E ∝ ν ; E = hν
Where,
h = Planck’s constant = 6.626 × 10-34 J s.
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