What principle is responsible for light spreading as it passes through a narrow slit?

Name: What principle is responsible for light spreading as it passes through a narrow slit?
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Question

Quizplus · Accepted Answer

Diffraction is the principle responsible for the spreading of light as it passes through a narrow slit. This phenomenon occurs when waves encounter an obstacle or a slit that is comparable in size to their wavelength, causing them to bend around the edges and spread out.

What Principle Is Responsible for Light Spreading as It Passes