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Physics, 27.12.2021 01:00 TH3L0N3W0LF
Chiếu chùm sáng song song có bước sóng 576 nm thẳng góc tới một khe hẹp có bề rộng b = 0,1 mm. Ngay sau khe hẹp đặt một thấu kính hội tụ có tiêu cự f = 1 m, màn đặt trên mặt phẳng tiêu của thấu kính. Xác định bề rộng của vân sáng trung tâm (tính ra milimet - mm).
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Chiếu chùm sáng song song có bước sóng 576 nm thẳng góc tới một khe hẹp có bề rộng b = 0,1 mm. Ngay...
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