Conceptual Physics

How a GM tube operates?

The counter is named as GM counter based on its developers ‘Geiger’ and ‘Muller’ in 1928. They are oldest type of gas filled radiation detec...
ALL ABOUT HELIUM-I & HELIUM-II

Helium was the last gas to be liquefied on account of having lowest critical temperature -268 C of all known gases. It is a colorless ...
PAULI's NEUTRINO HYPOTHESIS

Pauli postulated the existence of new particle, “Neutrino” as early as in 1930. According to Pauli, an additional particle called a ne...
LORENTZ DRUDE THEORY OF ELECTRIC CONDUCTIVITY

The two types of Internal Energy are (i) The Vibrational energy of metallic atoms (ions) about mean lattice Positions. ...
What is color addition?

The mixing of coloured lights is called colour addition. When lights of different colours are mixed, different colour effects are observed....
Checking capacitors with an ohmmeter

Set the range of Ohm meter to higher range greater than 1MOhm. The ohm-meter leads are to be connected across leads of capacitor. Fora good ...
Insulation Resistance of Cables

Courtesy: study made by Prof. Shri S K Srivastava, IRIEEN Insulation resistance is the most commonly measured parameter to check the he...
Difference between Ionizing radiation & Non-ionizing radiation

Well as we all know that the term "ionization" refers to dissociating electrons from its atom. In chemistry terminology we do r...
What is the difference between absolute, Gauge and vacuum pressures?

To answer this question let us know the various types of pressures 1) Atmospheric pressure 2) Absolute pressure 3) Gauge pressure 4)...