In hydrogen spectrum, the wavelengths of light emitted in a series of spectral lines is given by the…

In hydrogen spectrum, the wavelengths of light emitted in a series of spectral lines is given by the equation, $\frac{1}{\lambda}=\mathrm{R}\left(\frac{1}{4^{2}}-\frac{1}{\mathrm{n}^{2}}\right)$, where $\mathrm{n}=5,6,7 \ldots \ldots \ldots . .$ and ${ }^{\prime} \mathrm{R}^{\prime}$ is Rydberg's constant. Identify the series and wavelength region.
  1. Pfund, near infrared
  2. Brackett, infrared
  3. Pfund, far infrared
  4. Brackett, near infrared

Asked in: MHT CET 2020 (20 Oct Shift 1)

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