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Q1. In NYU's Diffraction and interference lab for general physics 2, what are the widths given on the slide with the double slits. On the lab manual it says they were given on the slide. I am doing this lab now and it is already late so i require finishing it this morning but I can't without that information. I've tried looking it up online but I can't find anything that will help me. I was hoping that maybe you guys have already completed something with this same lab.

Q2. Which subatomic particle is responsible for charges on an object? A deficit of this particle causes what charge? An excess causes what charge?

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