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The sound of frequency more than 20,000Hz is called
  • a)
    Longitudinal sound
  • b)
    Audible sound
  • c)
    Infrasound
  • d)
    Ultrasound
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The sound of frequency more than 20,000Hz is calleda)Longitudinal soun...
The sound of frequency more than 20,000Hz is called ultrasound. Ultrasound cannot be heard by human.
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The sound of frequency more than 20,000Hz is calleda)Longitudinal soundb)Audible soundc)Infrasoundd)UltrasoundCorrect answer is option 'D'. Can you explain this answer?
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