Physics

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Across
  1. 1. Number of oscillations per unit time
  2. 5. Response to the intensity of the sound
  3. 6. Region of low pressure
  4. 8. Region of high pressure
  5. 9. Single frequency of sound
  6. 10. Frequencies below audible range
Down
  1. 2. Repeated reflection of sound
  2. 3. Frequencies above audible range
  3. 4. Sound is transmitted
  4. 7. Change in density