FAFM, February 2024, Day 18, Letter R, Refraction

Merriam-Webster Dictionary

 

NOUN

re·frac·tion

1

: deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (such as air) into another (such as glass) in which its velocity is different

2

: the change in the apparent position of a celestial body due to bending of the light rays emanating from it as they pass through the atmosphere

also : the correction to be applied to the apparent position of a body because of this bending

3

: the action of distorting an image by viewing through a medium

also : an instance of this

 

 

PHYSICS

the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.

change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front.

 

For more Info: en.wikipedia.org/wiki/Refraction

 

 

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