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If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?Group of answer choicesA. 122 nmB. 1024 nmC. 97 nmD. 103 nm

User Pgk
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Answer

A. 122 nm

Step-by-step explanation

When a Hydrogen atom undergoes a transition from n=2 to n=1 level, a photon with λ=122nm is emitted.

User CiaPan
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