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Một nguồn S phát ra 1 chù sáng . Phát biểu nào ssau đây sai? a. Các photon trong chùm sáng đó sẽ dừng lại nếu gặp vật cản b. Các photon trong chùm sáng đó có tốc độ phụ thuộc vào môi trường truyền c. Năng lượng của các photon trong chùm sáng đó có thể khác nhau d. Chùm sáng đó được tạo thành bởi cac hạt gọị là photon

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Một nguồn S phát ra 1 chù sáng . Phát biểu nào ssau đây sai? a. Các photon trong chùm sáng đó sẽ dừn...
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