What is Activity?

What is Activity?

Activity, the number of disintegrations per second of radioactive-decay systems, or the number of reactive atomic nuclei that

31 Aug
What is Alpha Particle?

What is Alpha Particle?

An alpha particle is a fast traveling package comprising a helium nucleus with two protons and two neutrons. Particles with

31 Aug
What is Ammeter?

What is Ammeter?

An ammeter is a tool for measuring electric current directly or alternating in amperes. A significant amount of current

31 Aug
What is Ampere?

What is Ampere?

Ampere is named after the French physicist André-Marie Ampère from the 19th century and describes a movement of one coulomb

31 Aug
What is Aberration?

What is Aberration?

Aberration, the deviation of light rays through lenses in optical devices, such as lenses and curved mirrors, causing images

30 Aug