Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
V\u00e2\u0323t Ly\u0301 l\u1edbp 11 la\u0300 m\u00f4n ho\u0323c \u0111\u01b0\u01a1\u0323c \u0111a\u0301nh gia\u0301 la\u0300 kho\u0301 va\u0300 \u0111o\u0300i ho\u0309i t\u01b0 duy logic, ti\u0301nh toa\u0301n cao cu\u0309a ho\u0323c sinh. \u0110\u00ea\u0309 \u0111a\u0323t \u0111i\u00ea\u0309m cao trong ca\u0301c ba\u0300i thi m\u00f4n V\u00e2\u0323t Ly\u0301, chu\u0301ng ta c\u00e2\u0300n n\u0103\u0301m b\u0103\u0301t \u0111\u01b0\u01a1\u0323c tro\u0323ng t\u00e2m ki\u00ea\u0301n th\u01b0\u0301c. Ho\u0323c co\u0301 tro\u0323ng t\u00e2m, co\u0301 chi\u00ea\u0301n l\u01b0\u01a1\u0323c, hi\u00ea\u0309u \u0111\u01b0\u01a1\u0323c ca\u0301ch ra \u0111\u00ea\u0300 cu\u0309a \u0111\u00ea\u0300 thi se\u0303 la\u0300 \u01b0u th\u00ea\u0301 r\u00e2\u0301t l\u01a1\u0301n. Ba\u0323n \u0111a\u0303 n\u0103\u0301m \u0111\u01b0\u01a1\u0323c ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c tro\u0323ng t\u00e2m, ca\u0301c da\u0323ng ba\u0300i se\u0303 co\u0301 trong \u0111\u00ea\u0300 thi? Ha\u0303y cu\u0300ng Vietlearn ti\u0300m hi\u00ea\u0309u ky\u0303 trong ba\u0300i vi\u00ea\u0301t sau:<\/p>\n\n\n\n
Ki\u00ea\u0301n th\u01b0\u0301c tro\u0323ng t\u00e2m v\u1eadt l\u00fd l\u1edbp 11<\/p>\n\n\n\n
Ki\u00ea\u0301n th\u01b0\u0301c tro\u0323ng t\u00e2m V\u00e2\u0323t ly\u0301 l\u1edbp 11 g\u00f4\u0300m ca\u0301c n\u00f4\u0323i dung chi\u0301nh sau:<\/p>\n\n\n\n
\u0110i\u0323nh lu\u00e2\u0323t Culong<\/p>\n\n\n\n
C\u00f4ng cu\u0309a l\u01b0\u0323c \u0111i\u00ea\u0323n: y\u00ea\u0301u t\u00f4\u0301 a\u0309nh h\u01b0\u01a1\u0309ng, \u01b0\u0301ng du\u0323ng,\u2026<\/p>\n\n\n\n
Tu\u0323 \u0111i\u00ea\u0323n: ph\u00e2n loa\u0323i, c\u00f4ng du\u0323ng,\u2026<\/p>\n\n\n\n
Do\u0300ng \u0111i\u00ea\u0323n kh\u00f4ng \u0111\u00f4\u0309i ngu\u00f4\u0300n \u0111i\u00ea\u0323n<\/p>\n\n\n\n
\u0110i\u0323nh lu\u00e2\u0323t \u00f4m \u0111\u00f4\u0301i v\u01a1\u0301i toa\u0300n ma\u0323ch.<\/p>\n\n\n\n
Do\u0300ng \u0111i\u00ea\u0323n trong kim loa\u0323i: ba\u0309n ch\u00e2\u0301t, ch\u00e2\u0301t d\u00e2\u0303n, \u01b0\u0301ng du\u0323ng.<\/p>\n\n\n\n
Do\u0300ng \u0111i\u00ea\u0323n trong ch\u00e2\u0301t khi\u0301: ba\u0309n ch\u00e2\u0301t, c\u00f4ng du\u0323ng, qua\u0301 tri\u0300nh,\u2026<\/p>\n\n\n\n
T\u01b0\u0300 tr\u01b0\u01a1\u0300ng.<\/p>\n\n\n\n
L\u01b0\u0323c t\u01b0\u0300, ca\u0309m \u01b0\u0301ng t\u01b0\u0300.<\/p>\n\n\n\n
Su\u00e2\u0301t \u0111i\u00ea\u0323n \u0111\u00f4\u0323ng ca\u0309m \u01b0\u0301ng: c\u00f4ng th\u01b0\u0301c,\u2026<\/p>\n\n\n\n
T\u01b0\u0323 ca\u0309m.<\/p>\n\n\n\n
\u0110i\u0323nh lu\u00e2\u0323t khu\u0301c xa\u0323 a\u0301nh sa\u0301ng.<\/p>\n\n\n\n
Pha\u0309n xa\u0323 toa\u0300n ph\u00e2\u0300n.<\/p>\n\n\n\n
L\u0103ng ki\u0301nh.<\/p>\n\n\n\n
Dao \u0111\u00f4\u0323ng \u0111i\u00ea\u0300u ho\u0300a.<\/p>\n\n\n\n
Con l\u0103\u0301c lo\u0300 xo.<\/p>\n\n\n\n
Con l\u0103\u0301c \u0111\u01a1n.<\/p>\n\n\n\n
Gia thoa so\u0301ng, giao thoa a\u0301nh sa\u0301ng.<\/p>\n\n\n\n
Ma\u0323ch \u0111i\u00ea\u0323n xoay chi\u00ea\u0300u.<\/p>\n\n\n\n
Ma\u0301y pha\u0301t \u0111i\u00ea\u0323n xoay chi\u00ea\u0300u.<\/p>\n\n\n\n
Ma\u0323ch dao \u0111\u00f4\u0323ng.<\/p>\n\n\n\n
\u0110i\u00ea\u0323n t\u01b0\u0300 tr\u01b0\u01a1\u0300ng, so\u0301ng t\u01b0\u0300 tr\u01b0\u01a1\u0300ng,\u2026<\/p>\n\n\n\n
So\u0301ng \u0111i\u00ea\u0323n t\u01b0\u0300.<\/p>\n\n\n\n
Ta\u0301n s\u0103\u0301c a\u0301nh sa\u0301ng.<\/p>\n\n\n\n
Giao thoa a\u0301nh sa\u0301ng.<\/p>\n\n\n\n
Ca\u0301c loa\u0323i quang ph\u00f4\u0309.<\/p>\n\n\n\n
Tia h\u00f4\u0300ng ngoa\u0323i va\u0300 tia t\u01b0\u0309 ngoa\u0323i.<\/p>\n\n\n\n
Tia X: ba\u0309n ch\u00e2\u0301t, ngu\u00f4\u0300n, \u01b0\u0301ng du\u0323ng,\u2026<\/p>\n\n\n\n
\u0110o\u0323c th\u00eam: V\u00e2\u0323t Ly\u0301 12: Nh\u01b0\u0303ng \u0111i\u00ea\u0300u ca\u0301c ba\u0323n ho\u0323c sinh cu\u00f4\u0301i c\u00e2\u0301p n\u00ean bi\u00ea\u0301t<\/p><\/blockquote>\n\n\n\n
Ca\u0301c da\u0323ng ba\u0300i co\u0301 trong \u0111\u00ea\u0300 thi<\/p>\n\n\n\n
Ba\u0300i 1: N\u00eau \u0111i\u00ea\u0309m gi\u00f4\u0301ng va\u0300 kha\u0301c nhau cu\u0309a \u0111i\u0323nh lu\u00e2\u0323t Culong va\u0300 \u0111i\u0323nh lu\u00e2\u0323t va\u0323n v\u00e2\u0323t h\u00e2\u0301p d\u00e2\u0303n.<\/p>\n\n\n\n
V\u00e2\u0323t ly\u0301 11<\/p>\n\n\n\n
Gi\u00f4\u0301ng:<\/p>\n\n\n\n
Chi\u0309 ta\u0301c du\u0323ng v\u01a1\u0301i ca\u0301c v\u00e2\u0323t, \u0111i\u00ea\u0323n ti\u0301ch la\u0300 \u0111i\u00ea\u0309m.<\/p>\n\n\n\n
L\u01b0\u0323c h\u00e2\u0301p d\u00e2\u0303n, l\u01b0\u0323c t\u01b0\u01a1ng ta\u0301c lu\u00f4n ty\u0309 l\u00ea\u0323 nghi\u0323ch v\u01a1\u0301i bi\u0300nh ph\u01b0\u01a1ng khoa\u0309ng ca\u0301ch gi\u01b0\u0303a chu\u0301ng.<\/p>\n\n\n\n
Kha\u0301c:<\/p>\n\n\n\n
\u0110i\u0323nh lu\u00e2\u0323t va\u0323n v\u00e2\u0323t h\u00e2\u0301p d\u00e2\u0303n \u0110i\u0323nh lu\u00e2\u0323t Culong<\/p>\n\n\n\n
\u0110\u00f4\u0301i t\u01b0\u01a1\u0323ng V\u00e2\u0323t kh\u00f4\u0301i l\u01b0\u01a1\u0323ng V\u00e2\u0323t \u0111i\u00ea\u0323n ti\u0301ch<\/p>\n\n\n\n
Ti\u0309 l\u00ea\u0323 v\u01a1\u0301i Ti\u0301ch kh\u00f4\u0301i l\u01b0\u01a1\u0323ng ti\u0301ch \u0111\u00f4\u0323 l\u01a1\u0301n \u0111i\u00ea\u0323n ti\u0301ch<\/p>\n\n\n\n
H\u0103\u0300ng s\u00f4\u0301 ti\u0309 l\u00ea\u0323 G = 6,67 x 10^(-11) N.m\u00b2\/kg k = 9 x 10^9 N.m\u00b2\/C<\/p>\n\n\n\n
L\u01b0\u0323c thay \u0111\u00f4\u0309i m\u00f4i tr\u01b0\u01a1\u0300ng xung quanh kh\u00f4ng thay \u0111\u00f4\u0309i \u0110\u0103\u0323t \u0111i\u00ea\u0323n ti\u0301ch trong \u0111i\u00ea\u0323n m\u00f4i<\/p>\n\n\n\n
Ba\u0300i 2: M\u00f4\u0323t \u00e2\u0301m n\u01b0\u01a1\u0301c co\u0301 ca\u0301c s\u00f4\u0301 li\u00ea\u0323u: 220V- 1000W. Gia\u0309i thi\u0301ch y\u0301 nghi\u0303a. A s\u01b0\u0309 du\u0323ng hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 220 \u0111\u00ea\u0309 \u0111un s\u00f4i 2 li\u0301t n\u01b0\u01a1\u0301c t\u01b0\u0300 10 \u0111\u00f4\u0323 C. Hi\u00ea\u0323u su\u00e2\u0301t cu\u0309a \u00e2\u0301m n\u01b0\u01a1\u0301c la\u0300 90%. Nhi\u00ea\u0323t dung ri\u00eang cu\u0309a n\u01b0\u01a1\u0301c la\u0300 4190 J\/kg.K<\/p>\n\n\n\n
L\u01a1\u0300i gia\u0309i<\/p>\n\n\n\n
\u00dd ngh\u0129a c\u1ee7a c\u00e1c s\u1ed1<\/p>\n\n\n\n
220V l\u00e0 hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u0111\u1ecbnh m\u1ee9c \u0111\u1eb7t v\u00e0o hai \u0111\u1ea7u \u1ea5m \u0111i\u1ec7n \u0111\u1ec3 \u1ea5m ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n
1000W l\u00e0 c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u1ea5m \u0111i\u1ec7n khi s\u1eed d\u1ee5ng \u1ea5m \u1edf hi\u1ec7u \u0111i\u1ec7n th\u1ebf 220V<\/p>\n\n\n\n
b) Nhi\u1ec7t l\u01b0\u1ee3ng l\u00e0m s\u00f4i 1 li\u0301t n\u01b0\u1edbc :<\/p>\n\n\n\n
Q = m.c.\u0394t = 2.4190.(100 \u2013 25) = 628500J<\/p>\n\n\n\n
Th\u1eddi gian \u0111un: T= A \/ P = Q \/ (H x P) = 628500 \/ 0.9 x 1000 = 698,33s = 11 phu\u0301t 38 gi\u00e2y<\/p>\n\n\n\n
Ba\u0300i 3: Ta\u0323i sao la\u0323i xa\u0309y ra hi\u00ea\u0323n t\u01b0\u01a1\u0309ng \u0111oa\u0309n ma\u0323ch? H\u00e2\u0323u qua\u0309. Ca\u0301ch \u0111\u00ea\u0309 kh\u00f4ng xa\u0309y ra \u0111oa\u0309n ma\u0323ch.<\/p>\n\n\n\n
Khi n\u00f4\u0301i 2 c\u01b0\u0323c cu\u0309a 1 ngu\u00f4\u0300n \u0111i\u00ea\u0323n b\u0103\u0300ng d\u00e2y d\u00e2\u0303n co\u0301 \u0111i\u00ea\u0323n tr\u01a1\u0309 r\u00e2\u0301t nho\u0309 xa\u0309y ra \u0111oa\u0309n ma\u0323ch.<\/p>\n\n\n\n
Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh:<\/p>\n\n\n\n
S\u1eed d\u1ee5ng c\u00f4ng t\u1eafc ri\u00eang cho ca\u0301c thi\u00ea\u0301t bi\u0323 \u0111i\u00ea\u0323n.<\/p>\n\n\n\n
Khi kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng, t\u0103\u0301t h\u00ea\u0301t ca\u0301c thi\u00ea\u0301t bi\u0323 \u0111i\u00ea\u0323n.<\/p>\n\n\n\n
L\u1eafp c\u1ea7u ch\u00ec \u1edf m\u1ed7i c\u00f4ng t\u1eafc \u0111\u00ea\u0309 ng\u1eaft m\u1ea1ch ngay khi c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n qua c\u1ea7u ch\u00ec qu\u00e1 l\u1edbn.<\/p>\n\n\n\n
Tham kha\u0309o th\u00eam ca\u0301c da\u0323ng ba\u0300i \u0111i\u00ea\u0309n hi\u0300nh trong \u0111\u00ea\u0300 thi ta\u0323i l\u01a1\u0301p ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0309n V\u00e2\u0323t ly\u0301 11 cu\u0309a Vietlearn.<\/p><\/blockquote>\n\n\n\n
Bi\u0301 quy\u00ea\u0301t \u0111\u00ea\u0309 \u0111a\u0323t \u0111i\u00ea\u0309m cao ba\u0300i thi m\u00f4n Ly\u0301<\/p>\n\n\n\n
Nh\u01a1\u0301 ly\u0301 thuy\u00ea\u0301t<\/p>\n\n\n\n
Trong ca\u0301c \u0111\u00ea\u0300 thi V\u00e2\u0323t ly\u0301 se\u0303 co\u0301 nh\u01b0\u0303ng c\u00e2u ho\u0309i tr\u01b0\u0323c ti\u00ea\u0301p v\u00ea\u0300 ly\u0301 thuy\u00ea\u0301t. Ngoa\u0300i ra, \u0111\u00ea\u0300 thi co\u0300n co\u0301 ca\u0301c c\u00e2u ho\u0309i c\u00e2\u0300n a\u0301p du\u0323ng ly\u0301 thuy\u00ea\u0301t \u0111\u00ea\u0309 gia\u0309i thi\u0301ch. Vi\u0300 v\u00e2\u0323y, ca\u0301c ba\u0323n ho\u0323c sinh c\u00e2\u0300n nh\u01a1\u0301 ly\u0301 thuy\u00ea\u0301t chi\u0301nh xa\u0301c. Kh\u00f4\u0301i l\u01b0\u01a1\u0323ng ki\u00ea\u0301n th\u01b0\u0301c ly\u0301 thuy\u00ea\u0301t l\u01a1\u0301p 11 kha\u0301 l\u01a1\u0301n, r\u00e2\u0301t d\u00ea\u0303 nh\u00e2\u0300m l\u00e2\u0303n. Ba\u0323n \u0111a\u0303 bi\u00ea\u0301t la\u0300m th\u00ea\u0301 na\u0300o \u0111\u00ea\u0309 d\u00ea\u0303 da\u0300ng nh\u01a1\u0301 ly\u0301 thuy\u00ea\u0301t nhanh va\u0300 l\u00e2u ch\u01b0a? S\u01a1 \u0111\u00f4\u0300 t\u01b0 duy chi\u0301nh la\u0300 ca\u0301ch ho\u0323c ly\u0301 thuy\u00ea\u0301t r\u00e2\u0301t h\u01b0\u0303u i\u0301ch va\u0300 hi\u00ea\u0323u qua\u0309. V\u01a1\u0301i m\u00f4\u0303i ba\u0300i ho\u0323c, ba\u0323n ha\u0303y ve\u0303 cho mi\u0300nh 1 s\u01a1 \u0111\u00f4\u0300 t\u01b0 duy v\u01a1\u0301i ca\u0301c t\u01b0\u0300 kho\u0301a. ba\u0323n se\u0303 nh\u01a1\u0301 r\u00e2\u0301t l\u00e2u va\u0300 kh\u00f4ng bi\u0323 nh\u00e2\u0300m l\u00e2\u0303n. Vi\u00ea\u0323c \u00f4n la\u0323i ca\u0301c ba\u0300i ho\u0323c v\u01a1\u0301i s\u01a1 \u0111\u00f4\u0300 t\u01b0 duy cu\u0303ng kha\u0301 d\u00ea\u0303 da\u0300ng.<\/p>\n\n\n\n
Ho\u0323c V\u00e2\u0323t Ly\u0301 b\u0103\u0300ng s\u01a1 \u0111\u00f4\u0300 t\u01b0 duy<\/p>\n\n\n\n
Thu\u00f4\u0323c chi\u0301nh xa\u0301c ca\u0301c c\u00f4ng th\u01b0\u0301c<\/p>\n\n\n\n
C\u00f4ng th\u01b0\u0301c la\u0300 m\u00f4\u0323t ph\u00e2\u0300n quan tro\u0323ng trong \u0111\u00ea\u0300 thi V\u00e2\u0323t Ly\u0301 11. 2\/3 \u0111\u00ea\u0300 thi \u0111o\u0300i ho\u0309i s\u01b0\u0323 ti\u0301nh toa\u0301n cu\u0309a ba\u0323n. Ph\u00e2\u0300n l\u01a1\u0301n ba\u0300i y\u00eau c\u00e2\u0300u s\u01b0\u0309 du\u0323ng ca\u0301c c\u00f4ng th\u01b0\u0301c \u0111\u00ea\u0309 gia\u0309i ba\u0300i. Ha\u0303y nh\u01a1\u0301 chi\u0301nh xa\u0301c ca\u0301c c\u00f4ng th\u01b0\u0301c. Ba\u0323n n\u00ean ti\u0300m ra m\u00f4\u0301i li\u00ean h\u00ea\u0323 gi\u01b0\u0303a ca\u0301c c\u00f4ng th\u01b0\u0301c \u0111\u00ea\u0309 nh\u01a1\u0301 l\u00e2u va\u0300 kh\u00f4ng bi\u0323 nh\u00e2\u0300m l\u00e2\u0303n.<\/p>\n\n\n\n
Tri\u0300nh ba\u0300y ng\u0103\u0301n go\u0323n, ro\u0303 ra\u0300ng, \u0111\u00e2\u0300y \u0111u\u0309 kh\u00f4ng d\u00e2\u0323p xo\u0301a<\/p>\n\n\n\n
M\u00f4\u0323t ba\u0300i thi tri\u0300nh ba\u0300y ro\u0303 ra\u0300ng, sa\u0323ch se\u0303 se\u0303 ta\u0323o nhi\u00ea\u0300u ca\u0309m ti\u0300nh v\u01a1\u0301i gia\u0301m kha\u0309o. V\u00e2\u0323t ly\u0301 la\u0300 m\u00f4n khoa ho\u0323c t\u01b0\u0323 nhi\u00ean, ti\u0301nh toa\u0301n vi\u0300 v\u00e2\u0323y kh\u00f4ng c\u00e2\u0300n thi\u00ea\u0301t v\u0103n hoa nh\u01b0 m\u00f4n V\u0103n. Re\u0300n luy\u00ea\u0323n cho ba\u0309n th\u00e2n kha\u0309 n\u0103ng tri\u0300nh ba\u0300y ba\u0300i la\u0300m sa\u0323ch se\u0303, \u0111\u00e2\u0300y \u0111u\u0309, ng\u0103\u0301n go\u0323n la\u0300 r\u00e2\u0301t c\u00e2\u0300n thi\u00ea\u0301t. Nhi\u00ea\u0300u ba\u0323n ho\u0323c sinh kh\u00f4ng qua\u0301 tho\u0301i quen la\u0300m nha\u0301p, ma\u0300 tr\u01b0\u0323c ti\u00ea\u0301p vi\u00ea\u0301t va\u0300o ba\u0300i. Ba\u0323n n\u00ean la\u0300m ra nha\u0301p tr\u01b0\u01a1\u0301c sau \u0111o\u0301 m\u01a1\u0301i th\u00ea\u0309 hi\u00ea\u0323n la\u0323i tr\u00ean ba\u0300i thi. \u0110i\u00ea\u0300u na\u0300y giu\u0301p ba\u0323n ha\u0323n ch\u00ea\u0301 l\u00f4\u0303i ga\u0323ch xo\u0301a, hay sai xo\u0301t co\u0301 th\u00ea\u0309 chi\u0309nh s\u01b0\u0309a.<\/p>\n\n\n\n
Ta\u0323i sao pha\u0309i ho\u0323c V\u00e2\u0323t Ly\u0301?<\/p>\n\n\n\n
Ca\u0301c ba\u0323n \u0111a\u0303 bao gi\u01a1\u0300 th\u0103\u0301c m\u0103\u0301c vi\u0300 sao V\u00e2\u0323t Ly\u0301 la\u0323i \u0111\u01b0\u01a1\u0323c \u0111\u01b0a va\u0300o ch\u01b0\u01a1ng tri\u0300nh gia\u0309ng da\u0323y, gia\u0301o du\u0323c t\u01b0\u0300 THCS \u0111\u00ea\u0301n THPT ma\u0300 kh\u00f4ng pha\u0309i m\u00f4\u0323t m\u00f4n na\u0300o kha\u0301c ch\u01b0a? \u0110\u00e2y ch\u0103\u0301c h\u0103\u0309n cu\u0303ng la\u0300 th\u0103\u0301c m\u0103\u0301c cu\u0309a m\u00f4\u0323t s\u00f4\u0301 ba\u0323n ho\u0323c sinh. Vietlearn se\u0303 b\u00e2\u0323 mi\u0301 cho ba\u0323n m\u00f4\u0323t va\u0300i ly\u0301 do gia\u0309i thi\u0301ch ta\u0323i sao pha\u0309i ho\u0323c V\u00e2\u0323t Ly\u0301:<\/p>\n\n\n\n
A\u0309nh h\u01b0\u01a1\u0309ng \u0111\u00ea\u0301n cu\u00f4\u0323c s\u00f4\u0301ng<\/p>\n\n\n\n
V\u00e2\u0323t Ly\u0301 dem la\u0323i cho con ng\u01b0\u01a1\u0300i ca\u0301i nhi\u0300n t\u00f4\u0309ng th\u00ea\u0309 v\u00ea\u0300 th\u00ea\u0301 gi\u01a1\u0301i xung quanh, nh\u01b0\u0303ng \u0111i\u00ea\u0300u di\u00ea\u0303n ra ha\u0300ng nga\u0300y. T\u01b0\u0300 nh\u01b0\u0303ng hi\u00ea\u0309u bi\u00ea\u0301t na\u0300y, ta co\u0301 th\u00ea\u0309 gia\u0309i thi\u0301ch nhi\u00ea\u0300u \u0111i\u00ea\u0300u trong cu\u00f4\u0323c s\u00f4\u0301ng. Ta co\u0301 th\u00ea\u0309 kh\u00f4ng s\u01a1\u0323 nh\u01b0\u0303ng hi\u00ea\u0323n t\u01b0\u01a1\u0323ng \u0111o\u0301 n\u01b0\u0303a va\u0300 cu\u0303ng co\u0301 th\u00ea\u0309 tra\u0301nh nh\u01b0\u0303ng tai na\u0323n kh\u00f4ng \u0111a\u0301ng co\u0301 do thi\u00ea\u0301u hi\u00ea\u0309u bi\u00ea\u0301t. Vi\u0301 du\u0323 nh\u01b0 g\u0103\u0323p tai na\u0323n v\u00ea\u0300 \u0111i\u00ea\u0323n.<\/p>\n\n\n\n
V\u00e2\u0323t ly\u0301 la\u0300 m\u00f4n khoa ho\u0323c c\u01a1 ba\u0309n<\/p>\n\n\n\n
V\u00e2\u0323t ly\u0301 la\u0300 1 trong 3 m\u00f4n khoa ho\u0323c c\u01a1 ba\u0309n b\u00ean ca\u0323nh ca\u0301c m\u00f4n: Toa\u0301n ho\u0323c, Ho\u0301a ho\u0323c. Ki\u00ea\u0301n th\u01b0\u0301c V\u00e2\u0323t Ly\u0301 xoanh quay vi\u00ea\u0323c gia\u0309i thi\u0301ch ca\u0301c hi\u00ea\u0323n t\u01b0\u01a1\u0323ng t\u01b0\u0323 nhi\u00ean, s\u01b0\u0323 bi\u00ea\u0301n \u0111\u00f4\u0309i cu\u0309a v\u00e2\u0323t ch\u00e2\u0301t,\u2026co\u0301 trong th\u01b0\u0323c t\u00ea\u0301 cu\u00f4\u0323c s\u00f4\u0301ng. Vi\u0301 du\u0323: ly\u0301 gia\u0309i nguy\u00ean nh\u00e2n xa\u0309y ra s\u00e2\u0301m se\u0301t, s\u01b0\u0323 trao \u0111\u00f4\u0309i v\u00ea\u0300 nhi\u00ea\u0323t,\u2026 Ca\u0301c nghi\u00ean c\u01b0\u0301u V\u00e2\u0323t Ly\u0301 la\u0300 n\u00ea\u0300n ta\u0309ng cu\u0309a ca\u0301c pha\u0301t minh khoa ho\u0323c nh\u01b0: ro\u0300ng ro\u0323c, bo\u0301ng \u0111e\u0300n,\u2026<\/p>\n\n\n\n
D\u01b0\u0323 \u0111oa\u0301n t\u01b0\u01a1ng lai<\/p>\n\n\n\n
Ho\u0323c V\u00e2\u0323t Ly\u0301 \u0111\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n t\u01b0\u01a1ng lai? Ba\u0323n kh\u00f4ng nghe nh\u00e2\u0300m \u0111\u00e2u. Th\u00f4ng qua vi\u00ea\u0323c ph\u00e2n ti\u0301ch ca\u0301c hi\u00ea\u0323n t\u01b0\u01a1\u0323ng, k\u00ea\u0301t qua\u0309 V\u00e2\u0323t Ly\u0301 tr\u01b0\u01a1\u0301c \u0111o\u0301 chu\u0301ng ta co\u0301 th\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n \u0111\u01b0\u01a1\u0323c nh\u01b0\u0303ng \u0111i\u00ea\u0300u co\u0301 th\u00ea\u0309 xa\u0309y ra ti\u00ea\u0301p theo. K\u00ea\u0301t qua\u0309 cu\u0309a hi\u00ea\u0323n t\u01b0\u01a1\u0323ng na\u0300y chi\u0301nh la\u0300 h\u00ea\u0323 qua\u0309 cu\u0309a m\u00f4\u0323t hi\u00ea\u0323n t\u01b0\u01a1\u0323ng kia,\u2026<\/p>\n\n\n\n
Vietlearn mong r\u0103\u0300ng ba\u0300i vi\u00ea\u0301t \u0111a\u0303 cung c\u00e2\u0301p cho ca\u0301c ba\u0323n th\u00eam nh\u01b0\u0303ng hi\u00ea\u0309u bi\u00ea\u0301t thu\u0301 vi\u0323 v\u00ea\u0300 m\u00f4n V\u00e2\u0323t Ly\u0301. Ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c V\u00e2\u0323t Ly\u0301 r\u00e2\u0301t hay va\u0300 kh\u00f4ng h\u00ea\u0300 kho\u0301 nh\u01b0 suy nghi\u0303 cu\u0309a m\u00f4\u0323t s\u00f4\u0301 ba\u0323n ho\u0323c sinh. Cu\u0300ng y\u00eau V\u00e2\u0323t Ly\u0301 v\u01a1\u0301i Vietlearn ngay th\u00f4i na\u0300o. Ghe\u0301 qua blog Vietlearn \u0111\u00ea\u0309 tham kha\u0309o ca\u0301c bi\u0301 quy\u00ea\u0301t ho\u0323c t\u00e2\u0323p c\u01b0\u0323c ch\u00e2\u0301t cu\u0300ng ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c va\u0300 ta\u0300i li\u00ea\u0323u ho\u0323c t\u00e2\u0323p mi\u00ea\u0303n phi\u0301 kh\u00f4\u0309ng l\u00f4\u0300.<\/p>\n\n\n\n
Kho t\u00e0i li\u1ec7u h\u1ecdc t\u1eadp<\/a> Mi\u1ec5n Ph\u00ed \u2013 Vietlearn<\/p>\n\n\n\n
L\u01a1\u0300i k\u00ea\u0301t<\/p>\n\n\n\n
Tr\u00ean la\u0300 nh\u01b0\u0303ng th\u00f4ng tin h\u01b0\u0303u i\u0301ch ma\u0300 Vietlearn mu\u00f4\u0301n \u0111em \u0111\u00ea\u0301n cho ca\u0301c ba\u0323n. Mong r\u0103\u0300ng v\u01a1\u0301i ca\u0301c th\u00f4ng tin na\u0300y se\u0303 giu\u0301p ca\u0301c ba\u0323n ho\u0323c sinh \u0111a\u0323t \u0111i\u00ea\u0309m cao trong ca\u0301c ba\u0300i thi V\u00e2\u0323t ly\u0301 11. Ghe\u0301 qua blog Vietlearn \u0111\u00ea\u0309 c\u00e2\u0323p nh\u00e2\u0323t ca\u0301c n\u00f4\u0323i dung ho\u0323c t\u00e2\u0323p mi\u00ea\u0303n phi\u0301, khu\u0309ng l\u00f4\u0300. Tham kha\u0309o ca\u0301c kho\u0301a ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0301n t\u01b0\u0300 l\u01a1\u0301p 1-12 ca\u0301c m\u00f4n: Toa\u0301n, Ti\u00ea\u0301ng Anh, Ho\u0301a, V\u00e2\u0323t ly\u0301,\u2026 Vietlearn gia s\u01b0<\/a> ha\u0300ng tr\u01b0\u0323c tuy\u00ea\u0301n ha\u0300ng \u0111\u00e2\u0300y cho mo\u0323i nha\u0300.<\/p>\n\n\n\n
<\/p>\n\n\n\n
H\u1ecdc t\u1ed1t l\u1edbp 11 \u2013 t\u1ea1o \u0111\u00e0 b\u1ee9t ph\u00e1 cho t\u01b0\u01a1ng lai c\u1ee7a tr\u1ebb<\/p>\n\n\n\n
B\u00ed quy\u1ebft \u0111\u1ed9t ph\u00e1, n\u1eafm v\u1eefng ch\u01b0\u01a1ng tr\u00ecnh H\u00f3a h\u1ecd<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn V\u00e2\u0323t Ly\u0301 l\u1edbp 11 la\u0300 m\u00f4n ho\u0323c \u0111\u01b0\u01a1\u0323c \u0111a\u0301nh gia\u0301 la\u0300 kho\u0301 va\u0300 \u0111o\u0300i ho\u0309i t\u01b0 duy logic, ti\u0301nh toa\u0301n cao cu\u0309a ho\u0323c sinh. \u0110\u00ea\u0309 \u0111a\u0323t \u0111i\u00ea\u0309m cao trong ca\u0301c ba\u0300i thi m\u00f4n V\u00e2\u0323t Ly\u0301, chu\u0301ng ta c\u00e2\u0300n n\u0103\u0301m b\u0103\u0301t \u0111\u01b0\u01a1\u0323c tro\u0323ng t\u00e2m ki\u00ea\u0301n th\u01b0\u0301c. Ho\u0323c co\u0301 tro\u0323ng t\u00e2m, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[5,7],"tags":[],"class_list":["post-2649","post","type-post","status-publish","format-standard","hentry","category-pho-thong","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=2649"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2649\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}