What is an echo?

What is an echo?

A sound or sounds caused by the reflection of sound waves from a distant surface back to the listener is called an echo.

You May Like

👉  What is green chemistry?

👉  What is salt bridge?

👉  Why chemistry is called the key science?

👉  Since when chemistry is being practiced?

👉  What is Al-Chemi? 

Next Post Previous Post
No Comment
Add Comment
comment url