Atomic spectra of two-electron system: He, Hg
The spectral lines of He and Hg are examined by means of a diffraction grating. The wavelengths of the lines are determined from the geometrical arrangement and the diffraction grating constants.
Object holder, 5×5 cm
Diffraction grating, 600 lines/mm
Measuring tape, l = 2 m
PHYWE high voltage supply unit with digital display, 10 kV
Tripod base PHYWE
Support rod, stainless steel, 500 mm
Stand tube
Cursors, 1 pair
Meter scale, l = 1000 mm
Insulating support
Spectrum tube, mercury
Spectrum tube, helium
Holders for spectral tubes,1 pair
Cover tube for spectral tubes
Connecting cord, 30 kV, 1000 mm
Right angle clamp expert
Barrel base expert
- Determination of the wavelengths of the most intense spectral lines of He.
- Determination of the wavelengths of the most intense spectral lines of Hg.
- Parahelium
- Orthohelium
- Exchange energy
- Spin
- Angular momentum
- Spinorbit interaction
- Singlet and triplet series
- Multiplicity
- Rydberg series
- Selection rules
- Forbidden transition
- Metastable state
- Energy level
- Excitation energy