R

Ram Sharma • 193.88K Points
Coach Physics

Q. The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as –

  • (A) Audible sounds
  • (B) Ultrasonics
  • (C) Infrasonics
  • (D) Megasonics
  • Correct Answer - Option(A)
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  • Filed under category Physics

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