Operation of semiconductor diodes
The demonstration is aimed to understand and analyze silicon diode rectification. The apparatus contains full wave and half wave rectification
Electron diffraction
This interesting demonstration utilizes a highly evacuated electron diffraction tube to show the wave behavior of electrons. The electrons are
Michelson Interfrometer
This demonstration uses the famous Michelson interferometer which is used either for precise distance measurements or the wavelength of the
Statistics of natural radioactivity
The classroom demonstrations uses a gamma ray source of Co-60 placed inside a lead container. The radiation is detected with
Optical tunneling
Optical tunneling is demonstrated by frustrated total internal reflection.
- A green laser diode (from a laser pointer) falls on a
Hall effect in Semiconductor materials
When a magnetic field is applied perpendicular to the direction of flow of charge carriers, in a semiconductor material, charge
Fluorescence from quantum dots
Cadmium selenide (CdSe) quantum dots are chemically synthesized in the diameter ranges of 2 to 6 nm. These colloidal solutions
