A hydrogen like atom of atomic number z

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A hydrogen like atom of atomic number Z is in excited state of quantum number 3n. The maximum energy which can be emitted by atom is 404eV. If it makes the transition of quantum state n a photon energy 40.4eV is emitted. The value of n will be

1) 2
2) 3
3) 4
4) 5

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Explanation:

A hydrogen like atom of atomic number Z is in excited state of quantum number 3n. The maximum energy which can be emitted by atom is 404eV. If it makes the transition of quantum state n a photon energy 40.4eV is emitted. The value of n will be

1) 2

2) 3

3) 4

4) 5


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