R

Ritu Singhal • 4.36K Points
Extraordinary Physics

Q. An ultrasonic sound wave has a frequency higher than ?

  • (A) 20 Hz
  • (B) 20000 Hz
  • (C) 200 Hz
  • (D) 2000 Hz
  • Correct Answer - Option(B)
  • Views: 84
  • Filed under category Physics
Explanation by: Ritu Singhal
Ultrasonic waves are longitudinal waves of frequency greater than 20,000 Hz

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