What is the meaning of refraction

A change of direction that light undergoes when it enters a medium with a different density from the one through which it has been traveling.

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

Explanation:

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.