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The wavelength of a photon that has the same momentum as an electron moving with a...

The wavelength of a photon that has the same momentum as an electron moving with a speed of 1444 m/s is λ= nm.

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Answer #1

Here,the speed of a moving electron is 1444 m/sec.Which is very less in comparision to speed of light(c) which is 3*10^8 m/sec.So we can use classical approach of momentum and kinetic energy here.So we use De-Broglie realtion with the momentum of electron.

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