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  • Sound - Class 8
  • The sound of frequency more than 20,000Hz is called
Multiple choice

The sound of frequency more than 20,000Hz is called

  1. Infrasound

  2. Audible sound

  3. Longitudinal sound

  4. Ultrasound

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

sound above 20,000 Hz is called ultrasound.

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