state and explain reflection and refraction
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Reflection
When a beam of light bounces back to the same medium after striking the surface of second medium, it is called reflection of light
Refraction
When a ray of light passes from one transparent medium to another with different optical density, it deviates from its original path. This phenomenon is called refraction of light
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Hey mate............ here's your answer
In reflection, the waves bounce off the surface. On the contrary, in refraction, the waves pass through the surface, that changes their speed and direction. In reflection, the angle of incidence is same as the angle of reflection. ... Reflection takes place in mirrors, while refraction occurs in lenses.
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