physics project

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  • The google definition of lasers is a device that generates an intense beam of coherent monochromatic light by stimulated emission of photons from excited atoms.
  • What is a laser? I mean i've heard of laser tag but never knew what it truly is.
  • Mirrors are reflective surfaces used everyday life.
  • But most people don't take into consideration how mirrors truly work and the different types of mirrors out there.
  • There are convex, concave and regular mirrors. We are going to use a laser to show how the mirrors differ from each other but first, lets explain the different use for lasers.
  • So we are going to point one at a regular mirror and if we do it correctly, it should bounce back and reflect diagonally from where it is pointing at the mirror.
  • Lasers can be used as a scalpel during surgery, they are used to read CD's and also for welding purposes.
  • Concave mirrors make things appear larger and closer. When a laser points at the mirror it'll bounce off straight.
  • It's inverted!
  • What about convex?
  • Convex mirrors make things appear smaller so you can view a large group of things in one imagine. When a laser hits the mirror it remains close to the mirror.
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