Facilities

Cornus Apparatus

The aim of the experiment is to determine Young’s Modulus and Poisson’s ratio

Details of set up

  • Sodium Vapour lamp
  • Travelling Microscope
  • Perspex
  • Lens
  • Screw gauge, Vernier calipers
  • Weights

Optical Fibre Characterization Apparatus

The aim of the experiment is to measure acceptance angle, numerical aperture and bending loss of optical fibre.

Details of set up-

  • Laser source
  • Bread board
  • Detector
  • Digital DC voltmeter

Dielectric Constant Apparatus

The aim of the experiment is to analyze the variation of dielectric constant with temperature and to find Curie’s temperature

Details of set up

  • Dielectric constant apparatus
  • Barium -Titanate sample
  • Oven controller

Digital capacitance meter

Michelson’s Interferometer

The aim of the experiment is to find wave length of a monochromatic light and to determine the thickness thin film

Details of set up

  • Interferometer setup with beam splitter and mirrors
  • Diode Laser source

Optical bread board

Electron Spin Resonance

The aim of the experiment is to find the value of Lande g factor of an electron subjected to a perturbation by an external magnetic field

Details of set up

  • ESR spectrometer
  • Phase shifter
  • Oscilloscope
  • Test sample
  • 50 Hz sweep unit

    • Helmholtz coil

    Brewster’s Apparatus

    The aim of the experiment to study the polarization of reflected light and to determine the Brewster’s angle.

    Details of set up

    • Diode Laser with power supply
    • Kinematic Laser mount
    • Polarizer
    • Pin hole detector with power supply
    • Goniometer based detector mount
    • Optical rail
    • Glass slide specimen

    Helmholtz coil

    Malus Law Apparatus

    The aim of the experiment to understand the polarization property of light and to verify Malus law. Laser light is used in this experiment is almost completely extinguished crossed polarizers.

    Details of set up

    • Diode Laser with power supply
    • Kinematic Laser mount
    • Polarizer, analizer
    • Pin hole detector and detector mount
    • Optical rail
    • Detector output measurement unit

    Temperature Sensor Using Si Diode

    The aim of the experiment to calibrate Si diode as a temperature sensor and to determine unknown temperature.

    Details of set up

    • Constant current source
    • multimeter
    • Silicon diode
    • Water bath with thermometer

    Thermistor Characteristic Study Setup

    Thermistor is a device whose resistance varies quiet markedly with temperature. There are thermistors with positive temperature coefficient (PTC) of resistance and negative temperature coefficient (NTC) of resistance.

    The aim of the experiment to determine the temperature coefficient of resistance and material parameter of a semiconductor.

    Details of set up-

    • Power supply
    • Heating setup with thermometer
    • Thermistor
    • Multimeter

    E/M Measurement Setup (Thomson’s Method)

    The aim of the experiment to find charge to mass ratio of electron

    Details of set up-

    • e/m tube with filament and current supply
    • Deflection voltage supply
    • Rotatable socket placed in the middle of Helmholtz coil
    Department Of Physics