Physics Starter

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Across
  1. 3. Which type of diffraction causes a central fringe thicker than the others?
  2. 5. A point in a standing wave where no displacement occurs
  3. 6. A light source with constant phase difference
  4. 8. A modern day application of total internal reflection
  5. 9. The distance and direction from it's equilibrium position of a vibrating particle
Down
  1. 1. Who are the fringes made by the double slit named after?
  2. 2. Light of one colour only is called?
  3. 4. How can we observe the effect produced by a diffraction grating?
  4. 7. Maximum displacement of a vibrating particle