@lizmel0919: Diffraction: When light passes through the narrow slit, it spreads out instead of moving in a straight line. Interference: Light from the two edges of the gap overlaps: ◦ Bright bands: Constructive interference – wave peaks meet, adding together. ◦ Dark bands: Destructive interference – peak meets trough, canceling each other out. • Result: Instead of a single sharp shadow of the blades, you will see a pattern of alternating bright and dark fringes on the paper. #generalscience #grade11science

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Sunday 16 August 2026 00:53:47 GMT