Reference: Lab Experiments Journal vol-16, No.1, Page-24
Cauchy's constant / Dispersive power of prism
Model: DP-201
Experiment(s):
Determination of dispersive power of prism
Determination of refractive index of a prism
Determination of Cauchy’s 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. Prisms
Double Extra Dense Flint (DEDF), Extra Dense Flint (EDF), Quartz and Calcite Size: 15 mm to 25 mm
3. Mercury vapour lamp
Bulb: Philips/Osram Power: 160 W Transformer free operation Enclosure: Wooden with slits Rated Input: 220 V/50 Hz or 110 V/60 Hz