Recent content by partha1963

Sir, why for a hydroelectric power power plant, the minimum height is 34 meter.? Please explain

I tried to understand but fell uneasy to explain it to my High school level son.

How can I define brillouin zone?

Mellow, all Physics Forum member, Please help me to have the answer of question, Why electron spin is +-1/2. What is the reason of integral spin of subatomic particle?

Wood burns with flame but coal does not. Why?

The relative ordering of energy in the crystal field of d4 ions are arranged as 4A1g, 4T2g and 4T1g. How can I determine this? What is the rule for describe the relative energy of the terms for dn ions?

How can I help my students to comprehend/understand the concept of reciprocal lattice (pictorially) and Brillouin zone?

I want to say " A platinum wire is heated in Bunsen burner and it is found to glow after removing the Platinum wire from the flame. Why?"

What is the reason of Persistent Glowness of Platinum metal after removing it from the flame ?