Question

explain giving scientific reasons.
we cannot hear the echo produced in a classroom. ​

Answer 1

The classrooms are designed in such a way that the distance between the walls are less than 17.2 m. Due to this, the reflections of sound from to walls or echos reach our ears before 0.1 s. Because of this, we are not able to distinguish between the original sound and the echo produced in the classroom.

Answer 2

Answer:

Explanation:

We cant hear that echo because there are many things like board chairs curtains etc which somehow absorbs the sound.

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