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Imagine an atom made up of a proton and ...

Imagine an atom made up of a proton and a hypothetical particle of dounle the masss of the electron but having the same charge as the electron . Apply the Bohr atomic model and consider all possible transitions of this hypothetical particle to the first excited level. The longest wavelength of photon in the Balmer series has wavelength `lambda` ( given in terms of the Rydberg constant R for hydrogen atom ) equal to

A

`9/"5R"`

B

`36/"5R"`

C

`18/"5R"`

D

`4/R`

Text Solution

Verified by Experts

The correct Answer is:
C
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