A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Bar:
"A unit of pressure
 
Baryon:
subatomic particle composed of three quarks.
 
Beat:
A phenomenon of the periodic variation in the intensity of sound due to superposition of waves differing slightly in frequency.
 
Bernoulli's theorem:
"The total energy per unit volume of a non-viscous
 
Beta particle:
An electron emitted from a nucleus in radioactive decay.
 
Binding energy:
The net energy required to decompose a system into its constituent particles.
 
Black body:
An ideal body which would absorb all incident radiation and reflect none.
 
Black hole:
The remaining core of a supernova that is so dense that even light cannot escape.
 
Boyle's law:
"For a given mass of a gas at constant temperature
 
Brewster's law:
States that the refractive index of a material is equal to the tangent of the polarizing angle for the material.
 
Brownian motion:
The continuous random motion of solid microscopic particles when suspended in a fluid medium due to the consequence of ongoing bombardment by atoms and molecules.
 
Bulk's modulus of elasticity:
The ratio of normal stress to the volumetric strain produced in a body.
 
Buoyant force:
upward force on an object immersed in fluid.