Exams › SSC CGL (Prelims) › General

The bending of sound waves around obstacles is known as:

1. Reflection
2. Refraction
3. Diffraction
4. Interference

Correct answer: Diffraction

Solution

Diffraction is the bending and spreading of waves around obstacles or through openings. For sound waves, this effect is especially noticeable because sound has relatively long wavelengths.

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