Linear optical bench, diffraction, discrete spectra

Function

Intended for experimental study, physics laboratory and carrying out physics experiments on: Modern physics. Wave physics. Light and optics. Measuring the wavelength of the spectral lines of Hydrogen. The maxima of order 0 and 1. What is the lattice constant. Young's law. The diffraction angle. Constructive interference. Determining the wavelength of the spectral lines of Hydrogen. Measuring the wavelength of the spectral lines of Helium. Determining the wavelength of the first lines of the discrete spectrum of light emitted by Helium. Measuring the wavelength of the spectral lines of Mercury. Determining the wavelength of the first lines of the discrete spectrum of light emitted by Mercury. Measuring the wavelength of the spectral lines of Nitrogen. Determining the wavelength of the first lines of the discrete spectrum of light emitted by Nitrogen. Measuring the wavelength of the spectral lines of Oxygen. Determining the wavelength of the first rays of the discrete spectrum of light emitted by Oxygen, etc.