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The value of \( \left(\mathrm{n}_{2}+\mathrm{n}_{1}\right) \) and \( \left(\mathrm{n}_{2}^{2}-\mathrm{n}_{1}^{2}\right) \) for \( \mathrm{He}^{+} \)ion in atomic spectrum are 4 and 8 respectively. The
\( \mathrm{P} \)
wavelength of emitted photon when electron jump
W
from \( \mathrm{n}_{2} \) to \( \mathrm{n}_{1} \) is
(1) \( 32 / 9 \times \mathrm{R}_{\mathrm{H}} \)
(2) \( 9 / 32 \times R_{H} \)
(3) \( 9 /\left(32 R_{H}\right) \)
(4) \( 32 /\left(9 R_{H}\right) \)


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