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Energy levels A,B and C of a certain ato...

Energy levels A,B and C of a certain atom correspond to increasing values of energy i.e. `E_(A) lt E_(B) lt E_(C)` .If `lamda_(1),lamda_(2),lamda_(3)` are the wavelengths of radiation corresponding to transition C to B,B to A and C to A respectively, which of the following statements is correct ?

A

`lamda_(3)=lamda_(1)+lamda_(2)`

B

`(1)/(lamda_(3))=(1)/(lamda_(1))+(1)/(lamda_(2))`

C

`lamda_(1)+lamda_(2)+lamda_(3)=0`

D

`lamda_(3)=sqrt(lamda_(1)^(2)+lamda_(2)^(2))`

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