solve it if you can do.
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Keshav1703:
second stationary state means third excited state and so n value becomes 3.So, on putting the formula of E=Z^2/N^2* 2.18*10^-18,we get the value as 3.8*10^-18 which is not matching with any of the options so the answer is none of these
By the way, its a question of Narendra Awasthi Problems of physical chemistry, and the answer is already written at the back of the book
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in stationary state means n value is 3, and as the atomic number for Be is 4 ,so by using the equation E=13.6*Z^2/N^2,we are getting a value which is not matching with any of the options so the answer is none of these
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