Bt rnAo sAr xn0r 12 LAN rv Mdn: V$t Lf {Tlwt gian tdm bd:90 ph,tu) rn$r&*c rrlrrrLn,xoAY t.{Fp Fpc.20l&2011 Mr Ciu lr$t v|t diu Quay ch$m den elu rdi Ormg l4i quay tl€m itugc 16 vdng Bi6t ring vdng e*5,i ctrngvgt quay h6t ls Gi6 tri cus c*0h: C lSarads D 16 rads A l4r rad/s B, 16r rds C&u 2: S6rrgco hqa c6 vS*t& ruydr song;v = 4,5m/s ve tln sO khoing tU l0Hz C€n eOXz B*t di6m M" N tr€n phuong truyen so*g cich r*au 0,*n lufu dao ... nhr th6 nis xoay tg b*rr thi8 n rong {.0,1449 m4ch tlO gie{n dien tfch ddi diQn giita of,c bdn,tp? B Teng lpn A Giern di C Chua cl$ cs so kiSt hr4n, D Kh6ng ddl C$r,lfl Mgeh'"di$nxoay chi$u gdnn... dung,bi6nd&i,'Eft vio }UN Sigt 6p xoay chi6u u = Uocoscot.Cho C thay d6i, C=Co thi. Uc cge elp!, k*t lufln nio sau tl6yili tl6rg: A.Uc < UakhiRa* B Uc > ttMN &* 9Eu el8 Trng}l4 - MAdAthi http://www.violet.vn/haimathlx... Ec vd Eo thi ning lusrng tda phin C thay C6i ffig df h: A Eo+E" AO + B E^+E"-E"*Eo C E" +Eo -Eo-E" D- E" +Eo C*u 5{h Trong thi hghi$m IdngvA giao thoa 6nh s{ng dcm sfo c6 I, = 500nmthi h$ giao