What is an echo? October 10, 2024July 14, 2020 by Admin A sound or sounds caused by the reflection of sound waves from a distant surface back to the listener is called an echo. Related Posts:What is Electrocardiograph?Ultrasound Images : about various ultrasound images…What are 3 types of sound?The Importance of Information and Communication TechnologyReflection of LightWhat is communication machine?
