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An echo is heard due to the reflection from a rigid obstacle.

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10y ago

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What cannot not be seen but only heard and will not not speak until spoken to?

An echo. It is a reflection of sound that can only be heard, and it repeats what is spoken to it.


How does the reflection of sound waves contribute to the phenomenon of echo?

When sound waves hit a surface and bounce back, it creates an echo. The reflection of sound waves off surfaces like walls or mountains causes the sound to be heard again, creating the phenomenon of an echo.


What can not be heard but not seen and only speaks when spoken to?

an echo


Many have heard me but no-one has seen me and I will not speak back until spoken to. What am I?

echo


How can you hear a reflection?

A reflection of sound waves can be heard by an observer when the sound waves bounce off a surface and propagate back towards the listener. This causes a delay in the arrival time of the sound to the listener's ears, creating an echo effect.


What is the sound of a rifle?

a quick noise heard that may echo


Who could only speak by repeating the sounds she heard?

Echo


Why do animals use echo sounding?

becoz they need to be heard


At a scenic overlook you can hear an echo only in one particular direction why?

The presence of a natural formation, such as a canyon or rocks, can create a sound reflection that causes the echo to only be heard in one direction at the scenic overlook. This phenomenon occurs when sound waves bounce off the surfaces in a specific direction, amplifying the echo in that particular path.


How do you use echo in a sentence?

The girl yelled in her garage and she heard her self echo


Did echo be heard on a ho tter day?

An echo can be heard during a hotter day. In fact, soundwaves travel faster during hotter days so a person would hear the echo a lot sooner than they would on a really cold day.


What wave causes an echo?

Sound waves cause an echo when they bounce off a surface and return to the listener's ear.