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A gas of hydrogen like ions is prepared ...

A gas of hydrogen like ions is prepared in such a way that ions are only in the ground state and the first excited state. A monochromatic light of wavelength 1216 Å is absorbed by the ions. The ions are lifted to higher excited states and emit radiations of six wavelengths. Find the principal quantum number of the final excited state.

A

`51 eV`

B

`54.4 eV`

C

`63.75 eV`

D

`69 eV`.

Text Solution

Verified by Experts

The correct Answer is:
C
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