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What is de broglie wavelength of one photon?

Updated: 8/11/2023
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โˆ™ 15y ago

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No, they don't have de-broglie wavelength since this concept is valid for substances having some mass. This concept is mainly used to calculate the wavelength of electrons.

The photons are just energy packets and they are not matter and don't have weight.

Therefore, they don't have de-broglie wavelength

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โˆ™ 13y ago
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โˆ™ 15y ago

p=h/lambda

so lambda=h/p

but E=hf=hc/lambda

so lambda=hc/E

hence lambda=hc/E

relates wavelength (lambda) to the energy of a photon

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โˆ™ 15y ago

1.8 [Å] = 1.8*10-10 [m]

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