SOUND

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Across
  1. 2. the maximum distance traveled by an oscillating particle to any one side from its initial point
  2. 3. the time period to produced in one complete wave or cycle
  3. 6. produced when an object vibrates
  4. 9. with frequency from 20Hz to 20000Hz
  5. 10. the minimum distance in which a sound wave repeats itself
  6. 11. waves in which the particles of the medium travel perpendicular to the direction of the propagation of the wave
  7. 12. sound navigation and ranging
Down
  1. 1. number of oscillations / vibrations per second
  2. 4. with frequency less than 20Hz or more than 20000Hz
  3. 5. reflection of sound
  4. 7. it is the phenomenon of persistence of sound due to multiple reflections of sound
  5. 8. waves in which the particles of the medium travel parallel to the direction of the propagation of the wave