Question

What is the range of frequencies associated with infrasound and ultrasound

Answer 1

ultrasound frequency is ouce 20 khz and infra sound frequency lower than 20 khz

Answer 2

$\large\mathcal\pink{(a)Infrasound-}$ $\large\mathcal{20\:Hz}$

$\large\mathcal\pink{(b)Ultrasound-}$ $\large\mathcal{20,000\:Hz}$