what is echo?explain with examples.
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an echo is caused by reflection of sound for example we can hear an echo on a hill station if we say a name loudly we can hear that name after some time this is known as an echo
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What is echo ?
Answer :
If you stand in front of a hill and light a firecracker, you will hear its sound twice. First you will hear the sound coming directly from the firecracker, and then you will hear its sound reflected off the hill.
The sound that is heard after the first sound due to the reflection of sound at a surface, is called echo. You must have heard your voice echoed in large empty halls also.
It is happening so because of the reflection of sound of your own.
Answer :
If you stand in front of a hill and light a firecracker, you will hear its sound twice. First you will hear the sound coming directly from the firecracker, and then you will hear its sound reflected off the hill.
The sound that is heard after the first sound due to the reflection of sound at a surface, is called echo. You must have heard your voice echoed in large empty halls also.
It is happening so because of the reflection of sound of your own.
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