General Properties of Wave --- Starter Activity

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Across
  1. 1. vibrations parallel to direction of wave travel
  2. 3. region of low pressure
  3. 4. region of high pressure
  4. 5. Time taken for one complete vibrations
  5. 7. no of complete vibrations per unit time
  6. 9. continuous disturbance in a medium
Down
  1. 2. vibrations perpendicular to direction of wave travel
  2. 6. wave that can travel through vaccum
  3. 8. single disturbance in a medium