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
0

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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