Malus Law Setup
Experiment :  To Verify the Malus Law.
Technical Specifications:
(i) He-Ne Laser 2mW or Tungsten Bulb 60/100Watt with power supply
(ii)Polarizer and Analyzer
(iii)Photo –detector
(iv)Milli-Voltmeter
(v) Optical bench 1meter scale with saddles

OSAW Air Track Apparatus
 Air Track Accessories Kit :
Air Track Accessories Kit consists of the following accessories to carry out number of different experiments:

OSAW Planck’s Constant using Black Body  Radiation
Experiment: To Determine the Planck’s Constant using Black Body  Radiations.
Technical Specifications:
(i) Power supply (15V /3A) for light source
(ii) Digital Voltmeter/ multimeter (3-1/2 digits)
(iii) Optical Bench (1.5 meter scale length)
(iv) Light Source Tungsten  Bulb (12V/36Watt) with holder
(v) Convex lens (Focal length 10cm, Dia 50 mm) with holder
(vi) Grating 15000LPI with holder
(vii) Objective  lense (dia 28.4mm, Focal length 178mm)
(viii) Photocell as a light sensor with angular arrangement .
(ix) Instructional lab manual

OSAW Photoelectric Effect Apparatus
  Experiment: To see the variations of
(1) Photo current Versus Intensity and Wavelength of Light.
(2) Maximum energy of photo – electrons Versus Frequency of light.
Technical Specifications:
OSAW Photoelectric Effect Apparatus consists of:
(1) DC Power supply (12V /3A) for Light source (Halogen Tungsten Bulb)
(2) Digital voltmeter (20 Volts) and Digital Ammeter(3Ampere) to measure the voltage and current of Tungsten Bulb
(3) Light Source [Halogen Tungsten  Bulb (12V/36Watt)] with holder and stand
(4) Photo-cell with Housing and stand
(5) DC Power supply (±15V /500mA) for Photo-cell
(6) Digital voltmeter(20V) and Digital-Ammeter(Range: 1µA ,10µA ,100µA and 1000µA) to measure the voltage and current of photocell.
(7) Optical Bench (Metallic) of 1 meter  length  
(8) Set of Five colour filters (Red(635nm),Orange(570nm), Yellow(540nm), Green(500nm) and Blue(460nm))
(9) Adequate number of Patch Cords
(10) Instructional Lab manual

OSAW Planck’s Constant using Black Body  Radiation
  Experiment: To Determine the Planck’s Constant using Black Body  Radiations using Spectrometer.
Technical Specifications:
(i) Power supply (2-12V /3A) for light source
(ii) Digital Voltmeter
(iii) Spectrometer
(iv) Light Source Tungsten  Bulb (12V/36Watt) with holder
(v) Convex lens (Focal length 10cm, Dia 50 mm) with holder
(vi) Grating 15000LPI with holder
(vii) Photocell as a light sensor with angular arrangement .
(viii) Instructional lab manual

OSAW Angstrom’s Method Of Thermal Conductivity  Apparatus
Experiment : To determine the Coefficient of Thermal Conductivity of  Copper(Cu) by  Angstrom’s Method.
Technical Specifications:

1. OSAW  Angstrom’s AC Power Supply of 50Volts/10 Amperes that has inbuilt Function generator circuit  which provides the square wave signal  to the power supply with a time period of 44 milliseconds and time period of square wave is indicated by two LEDs(Red LED for ON time and Green LED for OFF time .
2. AC Voltmeter(0-50V ) and an Ammeter (0-10A ) is provided on the front panel of the Power Supply.
3. A Copper rod of 50cm  in length and 2.5cm in diameter  fitted inside a wooden box to protect from energy loss.
4. Heater that is fitted on one end of the copper rod has:
1. Heater Coil resistance = 10 O(Approx.)
2. Maximum Load Current =4.2 Amperes
3. Maximum Load Voltage =40 Volts
4. Heating Filament             =160 Watts
5. Thermometers 360°C (Set of three) 
6. Connecting leads
7. Instructional lab manual

OSAW Stefan’s constant by black body radiation Setup
 Experiment:   To determine Stefan’s constant by black body radiation.
Technical Specifications:

1. Hot plate
2. Hemi-sphere  chamber arrangement with silver disk
3. Stop watch
4. Galvanometer
5. Resistance box 1- 500 ohm
6.  Two Steamer
7. Four thermometer (1100C -2 nos.  , 3600C -2 nos.)
8. Thermocouple tube
9. Rubber pipe
10. Wire thermocoupleInstructional lab manual

OSAW Four Probe Setup               
  Experiment: To study the resistivity of semiconductor by Four Probe Method at different temperatures.
  Technical Specifications:
OSAW  Four Probe Apparatus Setup consists of:
(1) Constant Current Generator having open circuit voltage of 18V, Current Range 0-20mA
(2) Oven Power supply
(3) Oven with regulator which is  used to heat the crystal from Room temperature to about 200°C.
(4) Four Probe Arrangement: Four individually spring loaded probes coated with Zinc at the tips  to ensure
good electrical contact with the sample crystal and are equally spaced. The whole arrangement is
mounted on a suitable stand and connection leads are  provided for voltage and current measurements..
(5) A Sample of Ge / Si crystal in the form of Chip/Slice        
(6) Digital Voltmeter of range(0-200mV and 0-2000mV) with selector switch to measure  the voltage across
the crystal
(7) Thermometer(250°C) to measure the oven Temperature.
(8) Instructional Lab Manual

OSAW “The ZEEMAN EFFECT” Setup
Technical Specifications:
Zeeman Effect Apparatus Consists of:

1. Electromagnet 15KG
2. Electromagnet Power Supply(35V/6A)
3. Gauss meter 0-2KG/0-20KG
4. Gauss Probe with Wooden Stand
5. Mercury Tube with Power Supply 2000V/30mA(Auto call back)
6. Neon Tube with Power Supply 2000V/30mA(Auto call back)
7. Optical bench (100cm scale) with Five uprights
8. Mono-chrome Filters(Red 630nm and Green 540nm)
9. Mercury or Neon  tube Holder
10. Febry-Parrot Etalon Aperture=24mm
11. Polarizer (0°- 360° Angular scale) (Aperture -24mm and Thickness -1mm)
12. Collimated lens tube(FL -100mm ,Aperture -19mm)
13. CCD Camera with Eye piece and TV Connecting lead
14. 24” LED TV with Remote
15. Filter Holder
16. Connecting Leads

OSAW Nodal Slider Experiement
Technical Specifications:
(1)Lamp 60W Bulb enclosed in Metallic Housing
(2)Two Convex lens of different focal lengths
(3) Plan polished mirror
(4) Cross wire Plate
(5)Optical Bench 1.5 meters with saddles
(6)Nodal slider arrangement saddle

OSAW Capillary Rise Method
Experiment : To Determine the  Coefficient of Viscosity by Capillary rise method

OSAW  Setup For Velocity of Sound in Liquid
Technical Specifications:
(i)  Sodium Lamp as A Light source.
(ii) 0-3MHz Radio Frequency Generator
(ii) Spectrometer
(iv) CCD Camera as a Image detector with Stand
(v) LED TV for image view

OSAW  P-E  Hystersis Loop(ferroelectric Crystal) Apparatus
Technical Specifications:
(i) Sample Holder
(ii) Digital Temperature meter(0 -6000c)
(iii)H.T Supply variable from 0 to 5000V
(iv)Inbuilt Voltmeter
(v)Inbuilt heating arrangement
(vi)Inbuilt Fan
(vii) On board controls
(viii) Connecting Leads
(ix) Instructional Lab Manual
*The complete unit is fitted in a wooden box.*

Solar Constant (Irradiance)
Experiment :     To Measure the Solar Constant(Irradiance).
Technical Specifications:
        (1)  Wooden Box with Aluminium Block Fixure  and a dowel on the top
(2)  Aluminium Block  Fixed on the top of wooden box having dimensions:
(i) Area  (13cm ×7.5cm =97.5 cm2)
(ii) Mass of Aluminium block (350 gms )
(iii) Specific Heat of Aluminium : 0.215 Calories /(gram 0C)
(3)  Styrofoam to prevent heat dissipation of Aluminium block
(4) Thermometer (1100C) to measure the temperature of Aluminium block
(5)  Stop Watch to note down the time during the experiment.
(6)  Elevation Adjuster made up of steel

Particle size of Iodine gas
Technical Specifications:

1. Spectrometer
2. Grating
3. Burner
4. Glass Tube
5. Wooden Stand for glass tube     

Callender and Barne’s Constant Flow Method Setup
Experiment: To determine the Mechanical Equivalent of Heat by Callender and Barne’s  Constant Flow  Method.
Technical Specifications:
(i) Callender and Barne’s Apparatus
(ii) Two 1/5th degree thermometers
(iii) AC Voltmeter of range 20Volts  and an AC Ammeter of range 3Amps.
(iv) Power Supply 0-12 AC
(v) A graduated Cylinder
(vi) Beaker
(vii) Physical Digital Balance
(viii)Rheostat (100 O/5A)
(ix) Constant Level  tank
(x) Rubber Tube
(xi)Stop Watch
(xii)Plug Key
(xiii) Patch Cords

OSAW Newton’s Ring Setup
Experiment : To determine the wavelength of Sodium light by Newton’s Ring.
Technical Specifications:
(i) A convex lens of 200mm Focal length
(ii) Plane Glass Plate
(iii) Optical arrangement for Newton’s rings
(iv) Sodium Lamp housed in a wooden Box
(v) Travelling Microscope

wavelength of Laser light with a simple ruler
Experiment   :  To calculate the wavelength of laser light using a simple ruler as a
diffraction grating.
Technical Specifications:
(1) Optical Bench
(2)  He-Ne Laser Light Source
(3)  Ruler (engraved foot scale)
(4)  Meter scale
(5) White Screen( or Wall for Diffraction Pattern of Bright spot)

Lycopodium Powder particle’s diameter using Corona Rings

Electrical Vibrator
Experiment: To determine the frequency of A.C. mains using an Electric Vibrator.
Technical  Specifications:

1. An electrical Vibrator
2. Bulb 60W
3. A Mylar Capacitor enclosed in a plastic box
4. Micro-ampere meter
5. DC Battery Eliminator 12V/1A
6. A Thread
7. Pan with Weight Box
8. Frictionless pulley
9. Meter  Scale

OSAW Wave Plates and Polarization of Light Apparatus
Experiment: To observe the effect of Half-wave plate and Quarter Wave Plate on plane polarized light.
Technical Specifications-
(1) Laser Diode
(2) Two Polarizers
(3) Half Wave Plate
(4) Quarter Wave Plate
(5) Optical Bench with Saddles
(6) Photo-detector
(7) Digital Voltmeter to measure the intensity of light as voltage

Zone Plate Experiment
Experiment :   To study the zone plate and determine its focal length ,Radii.
Technical Specifications:      
(i) He-Ne Laser as a light Source
(ii) Microscope Objective lens(Beam Expander)
(iii) Zone Plate
(iv) White Screen
(v) Optical bench with scale engraved.

OSAW Specific Heat Apparatus
Experiment:  To deteremine Specific heat capacity and calculating heat energy of different
metals
Technical Specifications:
                           (1)  DC Power supply 20Volts/10A
(2) Digital Voltmeter and  Ammeter  to measure the voltage and current
(3) Metal blocks(Aluminium ,Iron and Brass having mass 600gms each)     
enclosed in a wooden box  to protect from energy loss.
(4) Thermometer(2100C)
(5) Connecting Leads

OSAW Fiber Optics Experimental Kit with Micro-Optical bench

Laser Kit Accessories for laser Experiments

1. He-Ne Laser  (Wavelength-632.5nm)
2. Set of Polarizer and Analyzer
3. Small Round table
4. Optical Fiber with chucks
5. Photodetector
6. Small white Screen
7. Large white Screen
8. Single Slit
9. Double Slit
10. Laser Grating
11. Circular Aperture
12. Thin Wire
13. Lycopodium Slide
14. Reflecting Surface Mount
15. Steel Rods