Class 9 Science - Chapter Sound NCERT Solutions | What is the range of frequencies associa

Welcome to the NCERT Solutions for Class 9th Science - Chapter Sound. This page offers a step-by-step solution to the specific question from Excercise 9 , Question 2: what is the range of frequencies associated with....
Question 2

What is the range of frequencies associated with
(a)  Infrasound?
(b)  Ultrasound?

Answer

(a) Infrasound has frequencies less than 20 Hz.

(b) Ultrasound has frequencies more than 20,000 Hz.

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