Frequency of photons emitted in Paschen series is given by \( v=3.29 \times 10^{15}(\mathrm{hz})...

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Frequency of photons emitted in Paschen series is given by \( v=3.29 \times 10^{15}(\mathrm{hz})\left[\frac{1}{3^{2}}-\frac{1}{\mathrm{n}^{2}}\right] \). Value of \( \mathrm{n} \) for photon having wavelength \( 1285 \mathrm{~nm} \) will be:
(1) \( n=3 \)
(2) \( n=4 \)
(3) \( n=5 \)
(4) \( n=6 \)
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