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    Hi.

    I have a question that i'm not sure on. It's a question that involves refraction and measuring, and it asks to give the section that involves the biggest uncertainty.

    I put the drawing of a diffracted beam, because it isn't a solid line as the light isn't monochromatic so different wavelengths of light get diffracted differently, but almost everybody else mentioned the measuring of objects with a ruler with 1mm increments.

    Could anybody enlighten me please?
 
 
 
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