... hidr6, b6 n kinh cria quT dao c6 mftc ndng luqng kich thich thir hai < /b> ld 1 ,4 4a, < /b> d6 le ban kinh cria quT d4o M c6 b6 n kfnh 9ro-+ b6 n kinh Bo bing rs: 1,44a/9 = 0,16a. B6 nkinh ... Olectron kh6i b4 c ld 4,8 eV. Ley h: 6,625.1 0-3 < /b> aJs; c : 3.108m/s. D6 €lectron bat khdi b0 mat t6m b4 c thi < /b> 6nh sdng kich thich ph6i c6A. tAn sO f > I ,16.l0rs Hz B. budc s6ng ... =No-Noe-rt,vdi t= I nim :iAS.z+.leOor-n: 1,23.1023 hat -+ < /b> Chgn B. CAu 45. Di6m M nim trdn AB c6ch trung dirlm O cria AB lA 2 cm -+ < /b> higu rluong di dz - < /b> d1:2.) =4cm. Vi hai...