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Physics, 17.06.2021 18:20 jameslinimk

Trong thí nghiệm Young về giao thoa ánh sáng, khoảng cách 2 khe là 2mm, khoảng cách từ 2 khe đến màn giao thoa là 2m. Bước sóng của ánh sáng đơn sắc trong thí nghiệm là 400nm. Khoảng cách từ vân sáng thứ 3 đến vân tối thứ 4 (nằm ở 2 bên vân sáng trung tâm) là:

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