SOUND

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Across
  1. 2. When a wave passes through a medium, the maximum displacement of the particle of medium on either side of its mean position is called:
  2. 4. the wave in which particles of medium vibrate about their mean positions in a direction perpendicular to the dirtection of propogation of the wave:
  3. 7. distance/time, in a direction
  4. 8. the time taken by a particle of a medium to complete its one vibration:
  5. 9. It is a type of energy
  6. 10. SI unit is Hertz(Hz)
Down
  1. 1. Frequency * wavelength
  2. 3. is neccessary for the propogation of sound
  3. 5. is a source of sound
  4. 6. the distance travelled by the wave in one time period of vibration of particle of the medium: