1.

The energy of electron in the nth orbit of  hydrogen atom is expressed as \[{{E}_{n}}=-\frac{13.6}{{{n}^{2}}}eV.\] The shortest and longest wavelength of Lyman series will be

A.  \[910\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,1213\overset{\text{o}}{\mathop{\text{A}}}\,\]
B.         \[5463\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,7858\overset{\text{o}}{\mathop{\text{A}}}\,\]
C.  \[1315\text{ }\overset{\text{o}}{\mathop{\text{A}}}\,,\text{ }1530\text{ }\overset{\text{o}}{\mathop{\text{A}}}\,~~\]
D.         None of these
Answer» B.         \[5463\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,7858\overset{\text{o}}{\mathop{\text{A}}}\,\]


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