positive hole meaning in Hindi

Examples

1. These sites are filled by Te atoms which are ionized to create additional positive holes.
2. Due to the generation of positive holes and electrons, oxidation-reduction reactions take place at the surface of semiconductors.
3. In the oxidative reaction, the positive holes react with the moisture present on the surface and produce a hydroxyl radical.
4. It is used as well to find the sign of the dominant charge carriers in materials such as semiconductors ( negative electrons or positive holes ).
5. When a photon with energy equal to or greater than the materials band gap is absorbed by the semiconductor, an electron is excited from the valence band to the conduction band, generating a positive hole in the valence band.