Question

What are echoes produced in an empty room but not in a room that has furniture in it? ​

Answer 1

Answer:

Echo is heard when the sound gets reflected back. In an empty room, the sound is reflected by the walls so the echo is heard. But in a living room there are so many sound absorbers present like curtains, furniture etc. They absorb sound instead of reflecting them and thus reduces the possibility of echo in the room.

Explanation:

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