Due to transitions among its first three energy levels, hydrogenic atom emits radiation at three discrete wavelengths `lamda_(1), lamda_(2), " and " lamda_(3) (lamda_(1) lt lamda_(2) lt lamda_(3))`. ThenA. `lamda_(1)=lamda_(2)+lamda_(3)`B. `lamda_(1)+lamda_(2)=lamda_(3)`C. `1//lamda_(1)+1//lamda_(2)=1//lamda_(3)`D. `1//lamda_(1)=1//lamda_(2)+1//lamda_(3)`

Due to transitions among its first three energy levels, hydrogenic ato

1.	Due to transitions among its first three energy levels, hydrogenic atom emits radiation at three discrete wavelengths `lamda_(1), lamda_(2), " and " lamda_(3) (lamda_(1) lt lamda_(2) lt lamda_(3))`. ThenA. `lamda_(1)=lamda_(2)+lamda_(3)`B. `lamda_(1)+lamda_(2)=lamda_(3)`C. `1//lamda_(1)+1//lamda_(2)=1//lamda_(3)`D. `1//lamda_(1)=1//lamda_(2)+1//lamda_(3)`
Answer» Correct Answer - D

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