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- #Physics Part II Textbook for Class XII
- #Physics
- #NCERT
- #Dual nature of radiation and matter
- #CBSE 12 Class
Q: 11.18 Show that the wavelength of electromagnetic radiation is equal to the de Broglie wavelength of its quantum (photon).
Answers (1)
For a photon we know that it's momentum (p) and Energy (E) are related by following equation
E=pc
we also know
Therefore the De Broglie wavelength is
The above de Broglie wavelength is equal to the wavelength of electromagnetic radiation.
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