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A hydrogen atom emits a photon that has momentum with a magnitude of 5.452 10 27 kg m / s 5.452 10 27 kg m / s .

A hydrogen atom emits a photon that has momentum with a magnitude of 5.452

×

10

27

 

kg

m

/

s

5.452

×

10

27

 

kg

·

m

/

s

. This photon is emitted because the electron in the atom falls from a higher energy level into the n

=

1

n

=

1

 level. What is the quantum number of the level from which the electron falls? Use a value of 6.626

×

10

34

 

J

s

6.626

×

10

34

 

J

·

s

 for Planck's constant.

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  λ = h/p = (6.626*10^-34 j.s)/ (5.452*10^-27 kg.m/s) = 121.61*10^-9 m when electron jump from n1 to n2, it emits a... View the full answer

The quantum number of the... View the full answer

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