Physics
Grade-8
Easy

Question

Reverberation occurs only in ________ .

  1. Open surface
  2. Round surface
  3. Closed surface
  4. None 

hintHint:

Closed surface

The correct answer is: Closed surface


    • Reverberation is the persistence of a sound.
    • It is the result of multiple reflections of sound by a closed surface.
    • So, the correct option is c.

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