Physics

About Photon Definition A photon (also called light quantum) is the quantum of electromagnetic radiation. The term quantum is the smallest elemental unit of a…

Cavity Magnetron Definition Cavity Magnetron is a high-powered vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field…

Mass Spectrometry Definition Mass Spectrometry (MS) is a technique for the analysis of a substance in which the molecule is subjected to bombardment by high-energy…

Scalar Field Definition Scalar Field is a function that gives us a single value of some variable for every point in space. A scalar value…

Line of Force Definition Line of Force is an imaginary line in a field of force, whose tangent at any point gives the direction of…

Speed of Light Definition Speed of Light is considered a fundamental constant of nature. Its significance is far broader than its role in describing a…

Vector Calculus Definition Vector Calculus (or vector analysis) is closely linked with the needs of physics and mechanics. It is a field of mathematics concerned…

Magnetic Flux Definition Magnetic Flux is a measure of the strength of a magnetic field over a given area perpendicular to it, equal to the…

Electric Field Definition Electric Field is a field of force that surrounding a charged particle within which another charged particle experiences a force Compare magnetic…

EMF: Electromotive Force Definition Electromotive Force or EMF is a source of energy that can cause a current to flow in an electrical circuit or…

Lorentz Force Definition Lorentz Force is a law of physics, particularly electromagnetism that describes the force interaction between magnetic fields of two charged particles. It…

Electric Charge Definition Electric charge is basic property of matter carried by some elementary particles. Electric charge, which can be positive or negative, occurs in…