In a sample of hydrogen atoms, every electron is in the orbit n = 6. The electrons fall back to the ground state by every possible path, one jump at a time or several. Light of wavelength longer than 750 nm is infrared. How many different spectral lines in the infrared can the sample give out? Take RH = 109 677 cm⁻¹.

ChemistryMediumHigh School (11–12)Structure of the Atom › Light, Atomic Spectra and the Bohr Model JEE Main

In a sample of hydrogen atoms, every electron is in the orbit $n = 6$ . The electrons fall back to the ground state by every possible path, one jump at a time or several. Light of wavelength longer than $750\ \text{nm}$ is infrared. How many different spectral lines in the infrared can the sample give out? Take $R_H = 109\,677\ \text{cm}^{-1}$ .

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← In the Bohr model, the electron of a hydrogen atom in the orbit n = 2 moves in a circle of radius r. In which of the following one-electron ions, and in which orbit, does the electron move in a circle of the same radius r? The radius of orbit n is rn = 52.9 n²/Z pm.An atomic orbital has exactly two radial nodes (spheres on which the wave function is zero) and exactly one angular node (a plane or cone through the nucleus on which it is zero). Which of the following orbitals is it? →

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