How does reflection differ from refraction and diffraction?

Reflection, it is the phenomena of getting back the light you've shown from a light source with the same angle. refraction, It is the phenomena of bending of light when it changes it medium. This can rarer to denser or denser to rarer. diffraction, It is the phenomena of bending of light near the edges of the object. hope this helps

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For me a person with a phd and who knows what there talking about.i know the chances of a radiation leak is low but if it does the area within a 96.3 mile radius would be unusable because of contamination