Reference: Lab Experiments Journal vol-6, No.4, Page-309

Ultra-sonic interferometer

Experiment(s):

Determination of velocity of sound in liquids

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
Centre table: Height adjustable with provision for prism and grating holder
Telescope with user changeable cross wire and eyepiece
                  

2 . R.F Oscillator

                    Frequency range: 3-10 MHz
Selection: Manual using fine and coarse knobs
Amplitude: Fixed
                  

3 . Sodium vapour lamp set (Optional)

                    Lamp: Philips / Thorne  or equivalent
Power: 35 W
Lamp house: Single lamp type with fixed slit openings
Transformer: 35 W, Instant ON type
Rated Input: 220 V/50 Hz or 110 V/60 Hz
                  

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