What is diffraction?
a The bending of a wave as it moves around an obstacle or passes through a narrow opening
b The bending of a wave as it enters a medium at an angle
c Increasing speed of a wave as it moves around an obstacle or threw an opening.
d The increasing speed of a wave as it enters a new medium.
1 answer
a The bending of a wave as it moves around an obstacle or passes through a narrow opening