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


Latent heat of fusion:
The quantity of heat required to convert one unit mass of a substance from solid to the liquid state at its melting point without any change in its temperature.
 
Latent heat of sublimation:
The quantity of heat required to convert one unit mass of a substance from solid to gaseous state without any change in its temperature.
 
Latent heat of vaporization:
The quantity of heat required to convert one unit mass of a substance from liquid to gaseous state at its boiling point without any change in its temperature.
 
Law of Conservation of Energy:
"Energy can neither be created nor destroyed
 
Law of conservation of mass:
Mass can neither be created nor destroyed in a chemical reaction.
 
Law of conservation of momentum:
"In the absence of external forces
 
Lenz's law:
The induced current always flows in such a direction that it opposes the cause producing it.
 
Light-year:
"The distance traveled by light through empty space in one year
 
Longitudinal strain:
The ratio of change in length of a body to its initial length.
 
Longitudinal wave:
The particles of the medium oscillate in the direction of propagation of the wave.
 
Luminosity:
The total amount of energy radiated each second from the surface of a source.
 
Lyman series:
A group of lines in the ultraviolet region in the spectrum of hydrogen.