1
163288689
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
trong thi nghiem cua young nguồn phát dồng thời 2 bươc song lamda1=0.64 micromet(đỏ), lamda2=0.48 micromet(lam). trong đoan giua 3 van sang lien tiep co mau giong nhu mau cua van sang trung tam co so van do , van lam la
A.9d 7lam B.7d 9lam C.4d 6lam D.6d 4lam
A.9d 7lam B.7d 9lam C.4d 6lam D.6d 4lam