Measuring the Hydrogen Balmer Series and Rydberg’s Constant Experiment

This experiment kit is designed for studying atomic emission spectra and optical spectroscopy. It enables students to observe the spectral lines of hydrogen and deuterium, investigate diffraction using a transmission grating, and perform wavelength measurements using a precision optical spectrometer.

Spectral Wavelengths :

• 410 nm, 434 nm, 486 nm, 656 nm

Resolution :

• 0.1°

Focal Length :

• 50 mm

Focal Length :

• 100 mm

Grating Density :

• 600 lines/mm

Magnification :

• 8×

Objective Lens Diameter :

• 21 mm

Internal Reference Line :

• For Measurement

Length :

• 740 mm

Material :

• Aluminum

Parts Included :

• Optical Rail – 1
• Carriers – 3
• X-Translation Carrier – 1
• Optical Rotation Stage with Digital Protractor – 1
• Telescope – 1
• Lens Holders – 2
• Lenses – 2
• Transmission Grating – 1
• Adjustable Slit – 1
• Adjustable Telescope Holder – 1
• Hydrogen-Deuterium Lamp with Power Supply – 1 Set

• Precision optical setup for spectroscopy and wavelength measurement.
• Digital angular measurement for improved experimental accuracy.
• Suitable for atomic spectra, diffraction, and optical laboratory experiments.