What is the range of frequencies associated with
(a) Infra-sound?
(b) Ultrasound?
Answer
(a) Infra-sounds have frequencies less than 20 Hz.
(b) Ultrasounds have frequencies more than 20,000 Hz.
Last updated at June 26, 2019 by Teachoo
(a) Infra-sound?
(b) Ultrasound?
Answer
(a) Infra-sounds have frequencies less than 20 Hz.
(b) Ultrasounds have frequencies more than 20,000 Hz.
Questions from inside the book
Question 1 Page 163
Question 2 Page 163
Question 3 Page 163
Question 1 Page 166 (Left)
Question 2 Page 166 (Left)
Question 1 Page 166 (Right Top)
Question 2 Page 166 (Right Top)
Question 3 Page 166 (Right Top)
Question 4 Page 166 (Right Top)
Question 1 Page 166 (Right Bottom)
Question 1 Page 167
Question 1 Page 168
Question 1 Page 169
Question 1 Page 170
Question 2 Page 170 You are here
Question 1 Page 172
About the Author