Math, asked by abhijeet921, 3 months ago

The ultrasound equipment for investigating many medical problem , work at frequencies
(a) less than 20Hz
(b) between 20Hz to 20,000Hz
(c) less than 20,000Hz
(d) Greater than 20,000Hz

Answers

Answered by pandeykhushi57

1

less than 20,000Hz

Step-by-step explanation:

Ho skta h bhai

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