Experiment(s):
1. Determination of dispersive power of prism
2. Determination of refractive index of a prism
3. Determination of Cauchy’s constant
Specifications:
a) Spectrometer
Scale: 6" diameter (Brass)
Base: Cast iron with levellingscrew
All moving parts made of Brass for accuracy
Collimator with adjustable slit
Horizontal axis alignment for collimator: Yes
Horizontal axis alignment for telescope: Yes
Centre table: Height adjustable
with provision for Prism and grating holder
Telescope with user changeable
cross wire and eyepiece
b) Prisms (optional):
Double Extra Dense Flint
(DEDF), Extra Dense Flint
(EDF), Quartz and Calcite
Size: 15 mm to 25 mm
c) 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
