Concept explainers
Distinguish between infrasonic and ultrasonic sound.
The difference between infrasonic & ultrasonic sound.
Answer to Problem 4A
The sound of frequency below 20 hertz is infrasonic sound & the frequency above 20,000 hertz is known as ultrasonic sound .
Explanation of Solution
Introduction: Sound is a form of energy. It is measured in hertz. There are different sound which are differentiated by frequency of sound. The average range of young person’s
The sound wave frequency below 20 hertz are known as infrasonic sound & the sound wave frequency above 20,000 hertz are known as ultrasonic sound.
Let f is the frequency of sound wave then :
Conclusion: The infrasonic has sound frequency below 20 Hz & ultrasonic has above 20,000 Hz.
Chapter 26 Solutions
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