Atomic Spectra

In physics find balmer series.

If series limit of Balmer series is $6400 \mathrm{\AA }$, then series limit of Paschen series will be
 

Frequency of the series limit of Balmer series of hydrogen atom in terms of Rydberg constant $\mathrm{R}$ and velocity of light $\mathrm{c}$ is

Frequency of the series limit of Balmer series of hydrogen atom in terms of Rydberg constant $R$ and velocity of light $c$ is

Humphrey series in the hydrogen spectrum is obtained as a result of the jump of electrons from $n_{\mathrm{l}}=6$ to $n_{\mathrm{h}}=7,8,9,10...$.

 The series of hydrogen that lies in the infrared region of electromagnetic spectrum is _____ series.

Briefly explain Humphrey series.

Name spectral series of hydrogen which lies in the infrared region of electromagnetic spectrum.

Which of the following is/are incorrect for Humphrey lines of hydrogen spectrum?

What is Brackett series?

Bohr's model is unable to explain the relative intensities of the frequencies in the spectrum.

The Bohr model is applicable to hydrogenic atoms.

In a hydrogen atom an electron is moving in the $n^{th}$ orbit of radius $r_n$. the de broglie wavelength associated with this electron is $\frac{n}{2{\mathrm{\pi r}}_{\mathrm{n}}}$.

If the limit wavelength of the Balmer series is ${\lambda }_B$, then the series limit wavelength of the Pfund series is what?

Pfund series will come after Lyman series.

Write down the wavelength of the last line of Balmer series in Angstrom.

What do you mean by the stationary state of an atom?

The frequency of the photon emitted for ${\mathrm{H}}_{\alpha }$ transition in the Balmer series is $4.57\times {10}^{14} \mathrm{Hz}$.

Find the shortest wavelength in Paschen series, if the longest wavelength in Balmer series is $6563 \mathrm{\AA }$.

Find the longest wavelength in Paschen series.