Physics, asked by Zero7018, 1 year ago

Sound waves used for ultrasound are ? A. Within the range of human heart B. Above the range of human hearing C. Below the range of human hearing D. All of the above

Answers

Answered by TPS

Ultrasound uses waves of frequency more than 20 kHz.

Humans can hear sound with frequency between 20Hz and 20kHz.

This, ultrasound is B. Above the range of human hearing

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