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  1. The spreading of sound waves around openings in barriers is called

Areverberation.
Ban echo.
Cdiffraction.
Drefraction.

Verified Answer :

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Cdiffraction


Diffraction by description is occurrence
where the sound wave is interrupted or interacts with certain obstructions or
barriers. According to Huygens-Fresnel principle, it is where the waves are interfered
by said circumstances during its travel in the confined specific space.

Furthermore, the amount of
size the wavelength is directly proportional to its interacted slit or barrier
thus, these behaviors and amount are positively correlated.

Moreover, it occurs in a variety
of waves –may it be sound waves, water waves or electromagnetic waves.





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