why echo is not heard in cinema hall?
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be coz of the presence of sound absorbers in the halls echo can't be heard in there..
hope it helps
hope it helps
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Answer:
To avoid echo from being produced the echo has to be absorbed. Echo in a cinema theatre is absorbed by the WALLS of the theatre. So next time when you go for watching a movie, notice the WALLS of the Theatre. ... The walls are corrugated or shaped to form tiny holes or empty spaces to ABSORB the ECHO.
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