Question

The image below shows sound waves through two different megaphones.

The second, smaller megaphone shows what wave behavior for the sound wave

A. Reflection

B. Refraction

C. Diffraction

D. Absorption

Answer 1

it is c because i can understand the diagram

Answer 2

C. Diffraction

Diffraction is the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture