A laser of wavelength 500 nm passes through a single slit that is 400 nm wide

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

A laser of wavelength 500 nm passes through a single slit that is 400 nm wide. Explain why no diffraction minima are observed on the screen, even though the setup is otherwise ideal for observing single-slit diffraction.

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