Expression for recoil velocity of hydrogen atom during electron transition

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Thread starter bksree
Start date Apr 8, 2012
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Atom Electron Expression Hydrogen Hydrogen atom Transition Velocity

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bksree

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Apr 8, 2012

Hi all
How does one calculate the recoil velocity of a hydrogen atom when the electron in it jumps from a higher orbit to a lower orbit (say from 3rd to 1st) ?

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Vanadium 50

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Apr 8, 2012

What is the energy of the photon?
What is the momentum of the photon?
What is the momentum of the atom?
What is the velocity of the atom?

Expression for recoil velocity of hydrogen atom during electron transition

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