Q:

Where can a person hear sound echoes?

A:

Quick Answer

An echo can be heard in a cave when a sound reflects off surrounding walls and then is heard again. It is also possible to hear an echo in an empty room, in a mountain valley, under a bridge or by calling down into a well.

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Full Answer

The farther away the reflecting source, the longer it takes the sound to echo back. The word "echo" originates from the Greek "echo," meaning "repeated sound." In Greek mythology, Echo was a nymph who left behind only her voice when she died after her love for Narcissus, a beautiful boy who loved no one but himself, went unrequited.

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Related Questions

  • Q:

    How is an echo produced?

    A:

    Echoes are created by sound waves being reflected off of a large obstacle. Conditions have to be just right for the echo to be heard as a separate sound.

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  • Q:

    How do you get rid of an echo in a room?

    A:

    Getting rid of or reducing an echo in a room involves limiting the number of solid surfaces off of which sound waves are able to bounce. This includes installing carpet to rid a room of hard floors or hanging up curtains to prevent as much sound as possible from bouncing off walls.

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  • Q:

    Why is sound important?

    A:

    Although there are many reasons sound is important; a couple reasons are that it allows humans and animals to hear and communicate, and it is a primary component in the functioning of sonar equipment. Sound occurs in a variety of waves, which have different characteristics and produce different types of noises.

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  • Q:

    How do you hear through walls?

    A:

    All surfaces absorb sound to some degree, and sound waves go through solid objects just like they do through open air, although solid surfaces absorb more of the sound. Unless they have significant insulation or consist of solid rock or masonry, most walls allow sound through to the other side.

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