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frequncy
I would expect to hear an echo in a gymnasium because if you think of a basketball bouncing just 1 you hear it coming right back at you.
Echo
When a sound wave is reflected, you hear an echo.
you can hear a echo in one particular direction because the direction you do it the waves bend back towards you
frequncy
echo turns into the echo we hear today.
You can go into a stuffed small room and not hear an echo unlike moving into a new big house with no furniture! there would be a big echo!
echo location The bat emits a squeak, which when it reflects (echo) off an object (prey) the bat can hear that and fly to it.
we hear an echo because its in our blood to hear things in a repeditive form but a lot quieter.
echo
ultrasonic
an echo
dolpins hear through an echo
I would expect to hear an echo in a gymnasium because if you think of a basketball bouncing just 1 you hear it coming right back at you.
The gaps between the reflections are long when you hear an echo. When the reflections are very close together then you here no single echo, you hear many close reflections as a reverberation.
echo