R

Ram Sharma • 193.88K Points
Coach Physics

Q. When mechanical waves have a frequency below the audible range, these are called

  • (A) Infrasonics
  • (B) Ultrasonics
  • (C) Sonics
  • (D) Supersonics
  • Correct Answer - Option(A)
  • Views: 433
  • Filed under category Physics

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