Physics > 2001 > 44
WASSCE
A photon of wavelenght ⋋∘ is emitted when an electron in an atom makes a transition from a level of energy 2Ek to that of energy Ek. if the electron transits from 4/3Ek to Ek level determne the wavelength of the proton that would be emitted
A.
3⋋∘
B.
2⋋∘
C.
3/4⋋∘
D.
1/3⋋∘
Answer: D
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