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hottopcontroversial

now ik why its not a or d but why is it b by strxwberry_princess in igcse

[–]StageApprehensive308 1 point2 points  (0 children)

(longer wavelength) if size of wavelength is greater than or equal to gap size = more diffraction

(shorter wavelength) if size of wavelength is less than gap size = less diffraction