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A hydrogen-like atom in ground state absorbs  photons having the same energy and its emits exactly  photons when electrons transition takes placed. Then, the energy of the absorbed photon may be

a)

b)

c)

d)



Question ID - 102324 | SaraNextGen Top Answer

A hydrogen-like atom in ground state absorbs  photons having the same energy and its emits exactly  photons when electrons transition takes placed. Then, the energy of the absorbed photon may be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a,b) -

(a,b)

Exp: Number of dark lines (in absorption), i.e., excitation = Number of bright lines (in emission), i.e., -excitation

It is possible only when the  is excited to  from ground state

Clearly, and are possible

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