The wave number of the limiting line of Balmer series of hydrogen spectrum is

$15668 c m^{- 1}$

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$27, 419 c m^{- 1}$

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$109678 c m^{- 1}$

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$75267 c m^{- 1}$

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Solution

The correct option is B
$27, 419 c m^{- 1}$

For limiting line of Balmer series $- v = R [\begin{matrix} \frac{1}{n_{1}^{2}} - \frac{1}{n_{2}^{2}} \end{matrix}] = 109677.8 [\begin{matrix} \frac{1}{2^{2}} - \frac{1}{\infty^{2}} \end{matrix}] = 27419.45 c m^{- 1}$

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The wave number of the limiting line of Balmer series of hydrogen spectrum is

The correct option is B 27,419 cm−1 For limiting line of Balmer series −v=R[1n21−1n22]=109677.8[122−1∞2]=27419.45cm−1

The correct option is B
$27, 419 c m^{- 1}$

For limiting line of Balmer series $- v = R [\begin{matrix} \frac{1}{n_{1}^{2}} - \frac{1}{n_{2}^{2}} \end{matrix}] = 109677.8 [\begin{matrix} \frac{1}{2^{2}} - \frac{1}{\infty^{2}} \end{matrix}] = 27419.45 c m^{- 1}$