Explain in brief Zener diode

A Zener diode

Explain in brief electron microscope.

Explain in brief Fresnel’s Diffraction.

Explain in brief the process of initiation during protein synthesis.

Explain in brief with one example: Covalent bond

Explain in brief with one example: Co-ordinate bond

Explain, in brief, the oxidation states of first transition series.

Explain in brief with one example: Ionic bond

Answer the following questions: What is DNA fingerprinting? Explain it in brief. Where is this technique used? Give any two examples.

Answer the following questions Explain in brief the flickering of an object seen through a turbulent stream of hot air rising above the holi fire.