PHYSICS

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Across
  1. 5. a regular and repeating motion
  2. 6. block all the lights passing through
  3. 7. wave has the movement of particles in the medium the same dimensions as the direction of movement of the wave
  4. 9. the length of one wave cycle
  5. 10. light energy can travel through the substance
Down
  1. 1. The height of the wave
  2. 2. is the number of time a wave cycle in one second
  3. 3. transferred to particles inside the substance
  4. 4. any or substance that give their own light
  5. 8. a wave in which the medium moves right angles to the direction of wave