Question

\noindent {\color{red} \rule{\linewidth}{0.5mm} }   \end{what is refraction ?}

Answer 1

Refraction ;

Refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium.

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Answer 2

ANSWER

REFRACTION

1..... Refraction is a change in direction of wave resulting change in speed of wave as it move form one medium to another

2..... medium should have different optical density

3... example sun rays on rain drops

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