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A gas of identical hydrogen like atomos ...

A gas of identical hydrogen like atomos has some atoms in ground state and some atoms in a particular exceited state and dthere are no atoms in any other energy level. The atoms of the gas make transition to a higher energy stte by absrobing monochromatic light of wavelenght 304 `overset(@)A`. Subsequencly, the atoms emit radiation of only six different photon energies. Some of emitted photons have wavelenght `304 overset(@)A`, some wavelength more and some have less that `304 overeset(@)A` (Take he=12420eV`-overset(@)A`)
Find the maximum and minimum energies of emitted photosn (in eV)

A

20.4,10.6

B

10.4,3.6

C

40.8,10.6

D

None of these

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