Ôn vật lý 12Cb. Chương 1

Ldp299 V  !"#$sai% &'()*+,()*-,()*+.,/01,2 -,()*+34,.,56'()*+,()* 748,9 &:;(<()4,9+,=,.,5 ()34,9+,=,.,56()34,9+>!?@,#() AB,=0? CD&,"EFGHIJ;K,(LM<;N(< &OCO,,=, &&  DC  G  PF  &  DC    PF  &  DC  G  PF6&  DC  Q  PF RB0S I T *,"EU π π += tx ,',9VWLD*OAE"I &CDGXOU,CDXOU,CDGU  A ,6CDU  A , UB,=0? CD,"EYGYPAIE,Z"I',,9[,D *OU" &,Y\A,P",Y\A,P",Y\A,P"6]0"+], TB^0S IE*,"* cmtx π = _,,9D** π ,P" ,= &CD cmU ± CD AU ± ,CD cmT ± 6CD* XB,`,)O?<>a5B7>-b*7Cc#$sai ? &b5-b*O4,.,5O34()* _,$LdBe,7-b*34fO44 g!?@BO7,,.,5O,,9()* 6_>-b*O-,,.,5 .,/01,,.,5 hB,`,iCO+8eO,K+734,K+<20jf+8 e,ik l",9,`,"m &4RlfRl4l6fl nb 0](L sai +=48,9,`,iC?^oK% &4+jpVq!?@4,.,5V!?@202 b34()*V-b6b34,.,5V!?@202 *`,iCjl"O*JrO+8>fe**O2$Y  D*,K,9i C&T7P7PPT**7P6T***7P Bj s ,4 t , u Cj s < u  u  t (<j s &O s j s  u v u j s 4(4 u < t 4% & & C  =  & C  =   C & = 6 & C   = B+8D*?^liC,=,K+DR7P_c+w-b?/(j$ ,+x &*OUXE"I*OnTE"I*OARE"I6*OThE"I ABj s # s j s < u  u  t (<j s &+# s  y $j s Cv u # s j t ,, y  t , t (< y  t , u &     & C= ω −     & C= ω −     & & C= + 6     & & C= + R`,iC/S4,=+88,?^;/iC`,30+  ,9,`, &    k k T m π + =       E I k k T k k m π = +  1 Ldp299 V     E I m T k k π = + 6     E I  E I k k m T k k π + =  UB,=+8**`iC,=,K+D*7P_@,@,,>f,l (<R,-,,.,5,9>f,l &*OR,P"R,P"R*,P"6*,P" Tz`>f,l+8  m iC?^oK;,+x  T D*OTE"IOb$>f,l+], +8  m ;,+x  T D*OhE"I73`,f>f,liC ,+x,9 ;&bDE"IbDORE"IbD*OE"I6bD*ORhE"I Xb?6J,(3p &,{0,8,0, "0",6?M0", h|? ,96J,=5 cmtAx I  ,"E π ω += z,W},q[, %&[,,2L>-b^,[,,2L,=CDG& [,,2L>-b^,#6[,,2L,=CD& nB6JgWLD*,=CD&P^,#b  ϕ & A π −    A π    T π −  6 T π *|? q,9(6J,=5S cmtx I,"E  ω = Z cmtx I  ,"EA  π ω −= Z cmtx I,"E A ω = &COC8,0COCA8,0 COCA,{06COCA8,0 `,iC6J,+ "`,>!?@,#(), * D T π P",W D*[,,`,>!?@,#()^,'2$Y  D*|? ,9,`, & IIE  ,"E* cmtx π ω −=  IIE  ,"E* cmtx π π +=   IE,"* cmtx π = 6 IER,"UO cmx π =  BJ?<5oR,3?)?WPT0[.,;* D*+>!?@CDT,^,#>~5|? ,9 ABJ(<*,Ol"*OUJr_D*>!?@,.,5-3(LK, ,,9% RB,`,iC,=+8eD***O666J(<&D*,O,,9+> CD*,A P P",K,9iC(<% 2 . &'()*+,()*-,()*+.,/0 1, 2 -,()*+34,.,56'()*+,()*. g!?@BO7,,.,5O,,9()* 6_>-b*O-,,.,5 .,/0 1, ,.,5 hB,`,iCO+8eO,K+734,K+<20jf+8