Reference: Lab Experiments Journal vol-5, No.3, Page-239

Hydrogen spectrum & Rydberg constant

Experiment(s):

Determination of Rydberg constant

Specifications

1 . Spectrometer

                    Scale: 7" diameter (Brass)
Base: Cast iron with leveling screw
All moving parts made of Brass for accuracy
Collimator with adjustable slit
Horizontal axis alignment for collimator: Yes
Horizontal axis alignment for telescope: Yes
Center table: Height adjustable with provision for prism and grating holder
Telescope with user changeable cross wire and eyepiece
                  

2 . Diffraction grating

                    Grating constant: 15000 Lines/inch
Window size: 40 mm x 30 mm
                  

3 . Discharge tube power supply

                    High voltage power supply variable from 0-5 KV
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Suitable for other discharge tubes
Discharge tube: Hydrogen filled (Qty: 2 Nos)
Stand: Height adjustable to accommodate all Kamaljeeth make discharge tubes
                  

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