Consider the following spectral lines for atomic hydrog... | null (Chemistry)

JEE Mains 2026 21st January Shift 2

Chemistry

Consider the following spectral lines for atomic hydrogen:

\\

A. First line of Paschen series

\\

B. Second line of Balmer series

\\

C. Third line of Paschen series

\\

D. Fourth line of Bracket sereis

\\

The correct arrangement of the above lines in ascending order of energy is:

<

<

<

<

<

<

<

<

<

<

<

<

Correct Answer:

\quad \Delta \mathrm{E}=13.6 \mathrm{Z}^{2}\left(\frac{1}{\mathrm{n}_{1}^{2}}-\frac{1}{\mathrm{n}_{2}^{2}}\right)\\

Series &

\mathrm{n}_{1}

\mathrm{n}_{2}

\\

(A) Paschen

\left(1^{\text {st }}\right.

line

)

& 3 & 4

\\

(B) Balmer

\left(2^{\text {nd }}\right.

line

)

& 2 & 4

\\

\left(3^{\text {rd }}\right.

line

)

& 3 & 6

\\

(D) Bracket

\left(4^{\text {th }}\right.

line

)

& 4 & 8

\\

So correct ascending order of energy of above lines is :

\\ \mathrm{D}<\mathrm{A}<\mathrm{C}<\mathrm{B}

Select an option to instantly check whether it is correct or wrong.

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