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


Faraday:
The electric charge required to liberate gram equivalent of a substance. 1 Faraday = 96485 coulomb/mole.
 
Fermat's principle:
An electromagnetic wave takes a path that involves the least time when propagating between two points.
 
Fluids:
Matter that has the ability to flow.
 
Focus:
The point to which rays that are initially parallel to the axis of a lens or mirror are converged or from which they appear to diverge.
 
Fraunhoffer lines:
The dark lines in the spectrum of sun.
 
Free fall:
The motion of a body under the effect of gravity alone.
 
Frequency:
The number of oscillations completed in 1 second by an oscillating body.
 
Fundamental frequency:
The lowest frequency at which a system vibrates freely.
 

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