HO CHi MINH niron vAr ij.. pdi vOi m6i nguy6n rfr d d thf m ra chi x6t tuong t6c vdi 2 nguy€n tfr kd cfln ; hing sd lgc tudng t6c tuc Hooke gitta 2 nguy6n tfi cing 6 sO cdp li a vd kh6c
Trang 1Joa9 -nrrrfArarr- nA r rrn^ drlnrr r.r
-^ 4t -'' TRTJdNG EAI HoC SIJ PHAM TP HO CHi MINH
niron vAr ij LJ"r
pE rul MON: vAr lf cHAr nXN[ , NAM 2oos
rhdi giun
' eo phf t ( DE i t
CAu 1 : Tim hQ thri'c t6n sdc cfia dao tlQng m?ng mQt chi6u chf'a 2loai nguy6n tfr khdc
nhau c6 khdi lugng lAn ltrot la M v) 3M Cho bidt m6i O so c6'p chri'a 2 nguy6n tfr
vi kfch thddc 0 so c6'p ld 2a pdi vOi m6i nguy6n rfr d d thf m ra chi x6t tuong t6c
vdi 2 nguy€n tfr kd cfln ; hing sd lgc tudng t6c (tuc Hooke) gitta 2 nguy6n tfi cing
6 sO cdp li a vd kh6c 6 so cd'p ld za
Cflu 2 : Tim phtrong trinh chuydn dQng cfia electron vi cfia 16 trdng trong tinh thd vf t
rdn dudi ti{c dung cria cd iliQn trudng ngoii F vi til rrddng ngoii E.
CAu 3 : Ap dLrng tinh ch6't ctia vectd m?ng elio 6 vudng g6c vdi m4t phfrng m?ng, hdy tim
chi sd Miller thk[ cria dtldng thing m?ng li giao tuydn cfia c6c m4t ph8ng m?ng
(zir) va (:zr)
/
, 64% b* D"'tr