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The follwing diagram indicates the energ...

The follwing diagram indicates the energy levels of a certain atom when the system moves from `2E` level to `E`, a photon of wavelength `lambda` is emitted. The wavelength of photon produced during its transition from `(4E)/(3)` level to `E` is

A

`lambda/3`

B

`(3lambda)/3`

C

`4/3 lambda`

D

`3 lambda`

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