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{"id":2134,"date":"2016-03-28T10:07:17","date_gmt":"2016-03-28T10:07:17","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=2134"},"modified":"2016-11-11T10:29:23","modified_gmt":"2016-11-11T10:29:23","slug":"cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/","title":{"rendered":"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd"},"content":{"rendered":"

C\u00f4 Nguy\u1ec5n Th\u1ecb H\u01b0\u01a1ng \u2013 Gi\u00e1o vi\u00ean d\u1ea1y gi\u1ecfi m\u00f4n V\u1eadt l\u00fd tr\u01b0\u1eddng THPT \u0110\u1ed1ng \u0110a (H\u00e0 N\u1ed9i) – chia s\u1ebb k\u1ef9 n\u0103ng \u00f4n t\u1eadp v\u00e0 l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt l\u00fd \u0111\u1ea1t \u0111i\u1ec3m cao trong k\u1ef3 thi THPT qu\u1ed1c gia 2016.<\/p>\n

Ch\u00fang em l\u00e0 nh\u1eefng h\u1ecdc sinh chuy\u00ean ban C \u2013 m\u00f4n V\u1eadt l\u00fd kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ebf m\u1ea1nh. V\u1eady xin c\u00e1c th\u1ea7y, c\u00f4 ch\u1ec9 d\u1eabn th\u00eam ph\u01b0\u01a1ng ph\u00e1p \u00f4n t\u1eadp v\u00e0 l\u00e0m b\u00e0i thi \u0111\u1ec3 nh\u1eefng h\u1ecdc sinh c\u00f3 h\u1ecdc l\u1ef1c trung b\u00ecnh, trung b\u00ecnh kh\u00e1 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m kh\u00e1 khi l\u00e0m b\u00e0i thi tr\u1eafc nghi\u1ec7m m\u00f4n V\u1eadt l\u00fd. Ch\u00fang em tr\u00e2n tr\u1ecdng c\u1ea3m \u01a1n. (Nh\u00f3m h\u1ecdc sinh t\u1ec9nh Th\u00e1i B\u00ecnh)<\/p>\n

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Tr\u1ea3 l\u1eddi:<\/strong><\/p>\n

V\u00ec n\u1ed9i dung \u0111\u1ec1 thi c\u00f3 t\u00ednh ph\u00e2n h\u00f3a r\u1ea5t cao n\u00ean \u0111\u1ed1i v\u1edbi h\u1ecdc sinh (HS) c\u00f3 h\u1ecdc l\u1ef1c trung b\u00ecnh v\u00e0 trung b\u00ecnh kh\u00e1, c\u00e1c em\u00a0n\u00ean t\u1eadp trung v\u00e0o m\u1ee5c ti\u00eau \u0111\u1ea1t 6-7 \u0111i\u1ec3m. \u0110\u1ec3 \u0111\u1ea1t s\u1ed1 \u0111i\u1ec3m n\u00e0y, c\u00e1c em n\u00ean t\u1eadp trung h\u1ecdc ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n trong s\u00e1ch gi\u00e1o khoa, h\u1ecdc k\u0129 l\u00ed thuy\u1ebft v\u00e0 luy\u1ec7n gi\u1ea3i k\u0129 c\u00e1c b\u00e0i t\u1eadp c\u01a1 b\u1ea3n.<\/p>\n

V\u1ec1 n\u1ed9i dung ki\u1ebfn th\u1ee9c<\/strong><\/p>\n

M\u00f4n V\u1eadt l\u00ed c\u00f3 h\u00ecnh th\u1ee9c thi tr\u1eafc nghi\u1ec7m, th\u1eddi gian l\u00e0m b\u00e0i 90 ph\u00fat, \u0111\u1ec1 thi g\u1ed3m 50 c\u00e2u. N\u1ed9i dung ki\u1ebfn th\u1ee9c ch\u1ee7 y\u1ebfu n\u1eb1m trong SGK 12 Ban c\u01a1 b\u1ea3n, ki\u1ebfn th\u1ee9c bao ph\u1ee7 trong 7 ch\u01b0\u01a1ng: dao \u0111\u1ed9ng c\u01a1, s\u00f3ng c\u01a1 v\u00e0 s\u00f3ng \u00e2m, d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, dao \u0111\u1ed9ng v\u00e0 s\u00f3ng \u0111i\u1ec7n t\u1eeb, s\u00f3ng \u00e1nh s\u00e1ng, l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng, v\u1eadt l\u00fd h\u1ea1t nh\u00e2n.<\/p>\n

Kho\u1ea3ng 20-30% s\u1ed1 c\u00e2u h\u1ecfi trong \u0111\u1ec1 thi\u00a0d\u00f9ng \u0111\u1ec3 ch\u1ecdn h\u1ecdc sinh kh\u00e1, gi\u1ecfi V\u1eadt l\u00ed, l\u00e0 c\u00e1c n\u1ed9i dung li\u00ean quan \u0111\u1ebfn:<\/p>\n

Ch\u01b0\u01a1ng Dao \u0111\u1ed9ng c\u01a1 h\u1ecdc: \u0110\u00f3 l\u00e0 nh\u1eefng b\u00e0i to\u00e1n va ch\u1ea1m gi\u1eefa hai v\u1eadt, b\u00e0i to\u00e1n v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i – l\u1ef1c ph\u1ee5c h\u1ed3i, con l\u1eafc \u0111\u01a1n ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a ngo\u1ea1i l\u1ef1c\u2026<\/p>\n

Ch\u01b0\u01a1ng S\u00f3ng c\u01a1 v\u00e0 s\u00f3ng \u00e2m: ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng b\u00e0i to\u00e1n x\u00e1c \u0111\u1ecbnh s\u1ed1 c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u trong c\u00e1c c\u1ea1nh c\u1ee7a c\u00e1c h\u00ecnh \u0111\u1eb7c bi\u1ec7t (h\u00ecnh vu\u00f4ng, h\u00ecnh ch\u1eef nh\u1eadt, h\u00ecnh tam gi\u00e1c hay h\u00ecnh tr\u00f2n); X\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch max, min t\u1eeb \u0111i\u1ec3m kh\u1ea3o s\u00e1t \u0111\u1ebfn hai ngu\u1ed3n\u2026<\/p>\n

Ch\u01b0\u01a1ng D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u: xoay quanh c\u00e1c b\u00e0i to\u00e1n li\u00ean quan \u0111\u1ebfn c\u1ef1c tr\u1ecb, b\u00e0i to\u00e1n h\u1ed9p \u0111en, b\u00e0i to\u00e1n v\u1ec1 \u0111\u1ed9 l\u1ec7ch pha\u2026<\/p>\n

Ch\u01b0\u01a1ng Dao \u0111\u1ed9ng v\u00e0 s\u00f3ng \u0111i\u1ec7n t\u1eeb: \u0111\u00f3 l\u00e0 b\u00e0i to\u00e1n gh\u00e9p t\u1ee5, t\u1ee5 xoay\u2026<\/p>\n

Ch\u01b0\u01a1ng S\u00f3ng \u00e1nh s\u00e1ng: b\u00e0i to\u00e1n c\u1ea7n quan t\u00e2m \u0111\u00f3 l\u00e0 x\u00e1c \u0111\u1ecbnh s\u1ed1 v\u00e2n s\u00e1ng c\u00f9ng m\u00e0u v\u1edbi v\u00e2n s\u00e1ng trung t\u00e2m v\u00e0 g\u1ea7n v\u00e2n s\u00e1ng trung t\u00e2m nh\u1ea5t, c\u00e1c b\u00e0i to\u00e1n v\u1ec1 giao thoa v\u1edbi \u00e1nh s\u00e1ng h\u1ed7n h\u1ee3p, ho\u1eb7c b\u00e0i to\u00e1n x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1ecbch chuy\u1ec3n c\u1ee7a h\u1ec7 v\u00e2n giao thoa khi tr\u01b0\u1edbc hai ngu\u1ed3n \u0111\u1eb7t m\u1ed9t b\u1ea3n m\u1ecfng\u2026<\/p>\n

Ch\u01b0\u01a1ng L\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng: ch\u00fa \u00fd \u0111\u00ean b\u00e0i to\u00e1n electron chuy\u1ec3n \u0111\u1ed9ng trong \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 t\u1eeb tr\u01b0\u1eddng, x\u00e1c \u0111\u1ecbnh qu\u00e3ng \u0111\u01b0\u1eddng v\u00e0 v\u1eadn t\u1ed1c c\u1ee7a n\u00f3.<\/p>\n

Ch\u01b0\u01a1ng V\u1eadt l\u00fd h\u1ea1t nh\u00e2n: c\u1ea7n quan t\u00e2m t\u1edbi hai \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n \u0111\u1ed9ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng to\u00e0n ph\u1ea7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1eadn t\u1ed1c hay g\u00f3c h\u1ee3p b\u1edfi hai h\u1ea1t nh\u00e2n<\/p>\n

Do \u0111\u00f3, h\u1ecdc sinh Kh\u00e1, gi\u1ecfi \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m 9, 10 c\u1ea7n \u00f4n t\u1eadp nh\u1eefng b\u00e0i tr\u1ecdng \u0111i\u1ec3m trong ch\u01b0\u01a1ng tr\u00ecnh l\u1edbp 10, 11 nh\u1eefng ki\u1ebfn th\u1ee9c li\u00ean quan nh\u01b0:<\/p>\n

\u2022 L\u1edbp 10: \u0110\u1ed9ng h\u1ecdc v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t \u0111i\u1ec3m. Ch\u00fa tr\u1ecdng \u0111\u1ebfn c\u00e1c kh\u00e1i ni\u1ec7m v\u1eadn t\u1ed1c, gia t\u1ed1c, l\u1ef1c qu\u00e1n t\u00ednh, c\u00e1c \u0111\u1ecbnh lu\u1eadt Niu \u2013 t\u01a1n v\u00e0 c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc, c\u00e1c \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n \u0111\u1ed9ng l\u01b0\u1ee3ng, c\u01a1 n\u0103ng, n\u0103ng l\u01b0\u1ee3ng…<\/p>\n

\u2022 L\u1edbp 11: C\u00f4ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n tr\u01b0\u1eddng, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a h\u1ea1t mang \u0111i\u1ec7n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n tr\u01b0\u1eddng; T\u1eeb tr\u01b0\u1eddng v\u00e0 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a h\u1ea1t mang \u0111i\u1ec7n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a t\u1eeb tr\u01b0\u1eddng (l\u1ef1c Lo\u2013ren\u2013x\u01a1); Th\u1ea5u k\u00ednh v\u00e0 l\u0103ng k\u00ednh, s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng qua th\u1ea5u k\u00ednh v\u00e0 l\u0103ng k\u00ednh, c\u00e1c c\u00f4ng th\u1ee9c th\u1ea5u k\u00ednh v\u00e0 l\u0103ng k\u00ednh…<\/p>\n<\/div>\n

\"cach-on-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly_1459081574_1\"<\/p>\n

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K\u1ef9 n\u0103ng \u00f4n t\u1eadp l\u00fd thuy\u1ebft V\u1eadt l\u00fd<\/strong><\/p>\n

Ph\u1ea7n l\u00fd thuy\u1ebft n\u00ean t\u00f3m t\u1eaft logic theo t\u1eebng ch\u01b0\u01a1ng, hi\u1ec3u b\u1ea3n ch\u1ea5t, sau \u0111\u00f3 \u00e1p d\u1ee5ng v\u00e0o h\u1ec7 th\u1ed1ng c\u00e1c c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m l\u00ed thuy\u1ebft c\u1ee7a t\u1eebng ch\u01b0\u01a1ng v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng \u0111a d\u1ea1ng, khai th\u00e1c v\u1ea5n \u0111\u1ec1 d\u01b0\u1edbi nhi\u1ec1u g\u00f3c \u0111\u1ed9 kh\u00e1c nhau.<\/p>\n

Nhi\u1ec1u h\u1ecdc sinh th\u01b0\u1eddng coi nh\u1eb9 vi\u1ec7c h\u1ecdc l\u00ed thuy\u1ebft. \u0110\u00e2y l\u00e0 m\u1ed9t sai l\u1ea7m v\u00ec th\u01b0\u1eddng l\u00ed thuy\u1ebft chi\u1ebfm \u0111\u1ebfn 1\/3 l\u01b0\u1ee3ng c\u00e2u h\u1ecfi trong \u0111\u1ec1 thi v\u00e0 c\u00e1c c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m l\u00fd thuy\u1ebft cho trong \u0111\u1ec1 th\u01b0\u1eddng b\u00e1m s\u00e1t s\u00e1ch gi\u00e1o khoa n\u00ean n\u1ebfu ch\u1ecbu kh\u00f3 h\u1ecdc l\u00ed thuy\u1ebft th\u00ec 1\/3 \u0111i\u1ec3m c\u1ee7a b\u00e0i thi c\u00e1c em s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch ch\u1eafc ch\u1eafn.<\/p>\n

K\u1ef9 n\u0103ng \u00f4n t\u1eadp ph\u1ea7n b\u00e0i t\u1eadp V\u1eadt l\u00fd<\/strong><\/p>\n

Trong qu\u00e1 tr\u00ecnh \u00f4n t\u1eadp, v\u1edbi m\u1ed7i ch\u01b0\u01a1ng, c\u00e1c em c\u1ea7n ph\u00e2n lo\u1ea1i c\u00e1c b\u00e0i t\u1eadp theo t\u1eebng ch\u1ee7 \u0111\u1ec1, m\u1ed7i ch\u1ee7 \u0111\u1ec1 l\u1ea1i ph\u00e2n theo t\u1eebng d\u1ea1ng b\u00e0i t\u1eadp c\u1ee5 th\u1ec3, ban \u0111\u1ea7u c\u00f3 th\u1ec3 gi\u1ea3i c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp t\u1eeb c\u0103n b\u1ea3n \u0111\u1ebfn n\u00e2ng cao \u0111\u00f3 d\u01b0\u1edbi h\u00ecnh th\u1ee9c t\u1ef1 lu\u1eadn sau khi \u0111\u00e3 th\u00e0nh th\u1ea1o k\u0129 n\u0103ng gi\u1ea3i cho m\u1ed7i d\u1ea1ng h\u1ecdc sinh n\u00ean h\u1ec7 th\u1ed1ng c\u00e1c c\u00f4ng th\u1ee9c gi\u1ea3i nhanh, r\u00e8n luy\u1ec7n cho m\u00ecnh k\u0129 n\u0103ng t\u00ednh to\u00e1n, b\u1ea5m m\u00e1y t\u00ednh v\u00e0 t\u00ednh nh\u1ea9m nhanh.<\/p>\n

Sau \u0111\u00f3 \u00e1p d\u1ee5ng v\u00e0o h\u1ec7 th\u1ed1ng b\u00e0i t\u1eadp v\u00ed d\u1ee5 v\u00e0 v\u1eadn d\u1ee5ng \u0111a d\u1ea1ng, phong ph\u00fa (\u0111\u00e1p \u00e1n chi ti\u1ebft, k\u00e8m c\u00e1c ch\u00fa \u00fd c\u00e1ch ph\u00e1t tri\u1ec3n b\u00e0i to\u00e1n v\u00e0 nh\u00ecn nhanh ra h\u00ecnh th\u1ee9c bi\u1ebfn t\u01b0\u1edbng c\u1ee7a c\u00e1c d\u1ea1ng c\u00f3 th\u1ec3 ra trong \u0111\u1ec1 thi \u0110\u1ea1i h\u1ecdc ).<\/p>\n

Sau khi \u0111\u00e3 ho\u00e0n th\u00e0nh ki\u1ebfn th\u1ee9c c\u1ee7a 7 ch\u01b0\u01a1ng \u0111\u00f3, c\u00e1c em n\u00ean luy\u1ec7n gi\u1ea3i c\u00e1c \u0111\u1ec1 tr\u1eafc nghi\u1ec7m b\u1eb1ng c\u00e1c \u0111\u1ec1 thi th\u1eed \u1edf t\u1ea5t c\u1ea3 c\u00e1c n\u01a1i uy t\u00edn, gi\u1ea3i l\u1ea1i \u0111\u1ec1 thi c\u1ee7a 3 n\u0103m g\u1ea7n nh\u1ea5t \u0111\u1ec3 luy\u1ec7n k\u0129 n\u0103ng l\u00e0m b\u00e0i thi tr\u1eafc nghi\u1ec7m v\u00e0 c\u00f3 th\u00eam kinh nghi\u1ec7m \u201c\u0111\u1ecdc\u201d \u0111\u1ec1 thi.<\/p>\n

K\u1ef9 n\u0103ng l\u00e0m b\u00e0i thi V\u1eadt l\u00fd (tr\u1eafc nghi\u1ec7m) v\u00e0 l\u01b0u \u00fd \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u00e1nh m\u1ea5t \u0111i\u1ec3m \u1edf nh\u1eefng l\u1ed7i c\u01a1 b\u1ea3n:<\/strong><\/p>\n

– \u0110\u1ecdc tr\u01b0\u1edbc to\u00e0n b\u1ed9 \u0111\u1ec1: \u0110\u1ecdc th\u1eadt nhanh qua to\u00e0n b\u1ed9 v\u00e0 l\u00e0m nh\u1eefng c\u00e2u d\u1ec5 tr\u01b0\u1edbc; \u0111\u00e1nh d\u1ea5u nh\u1eefng c\u00e2u ch\u01b0a l\u00e0m \u0111\u01b0\u1ee3c. C\u00e1c em kh\u00f4ng n\u00ean d\u1eebng l\u1ea1i qu\u00e1 l\u00e2u \u1edf m\u1ed9t c\u00e2u tr\u1eafc nghi\u1ec7m, s\u1ebd m\u1ea5t c\u01a1 h\u1ed9i \u1edf nh\u1eefng c\u00e2u d\u1ec5 h\u01a1n, m\u00e0 \u0111i\u1ec3m s\u1ed1 th\u00ec \u0111\u01b0\u1ee3c chia \u0111\u1ec1u.<\/p>\n

– \u0110\u1ecdc l\u1ea1i to\u00e0n b\u1ed9 b\u00e0i ki\u1ec3m tra l\u1ea7n th\u1ee9 hai v\u00e0 tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi kh\u00f3 h\u01a1n. C\u00f3 th\u1ec3 c\u00e1c em s\u1ebd g\u1eb7p m\u1ed9t v\u00e0i c\u00e2u m\u00e0 b\u1ea3n th\u00e2n c\u00f2n ph\u00e2n v\u00e2n ch\u01b0a bi\u1ebft ph\u01b0\u01a1ng \u00e1n n\u00e0o ch\u1eafc ch\u1eafn \u0111\u00fang, khi \u0111\u00f3 h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p lo\u1ea1i tr\u1eeb.<\/p>\n

– Ph\u1ea3i c\u00e2n nh\u1eafc c\u00e1c con s\u1ed1 thu \u0111\u01b0\u1ee3c t\u1eeb b\u00e0i to\u00e1n c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ki\u1ebfn th\u1ee9c \u0111\u00e3 bi\u1ebft kh\u00f4ng. Ch\u1eb3ng h\u1ea1n t\u00ecm b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn th\u00ec gi\u00e1 tr\u1ecb ph\u1ea3i trong kho\u1ea3ng 0,38 (\u03bcm) \u0111\u1ebfn 0,76 (\u03bcm).<\/p>\n

– M\u1ed7i \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00ed c\u00f2n c\u1ea7n c\u00f3 \u0111\u01a1n v\u1ecb \u0111o ph\u00f9 h\u1ee3p n\u1eefa: \u0110\u1eebng v\u1ed9i v\u00e0ng khi con s\u1ed1 t\u00ednh \u0111\u01b0\u1ee3c tr\u00f9ng kh\u1edbp v\u1edbi con s\u1ed1 c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi n\u00e0o \u0111\u1ea5y, ph\u1ea3i xem k\u0129 \u0111\u01a1n v\u1ecb c\u00f3 tr\u00f9ng kh\u1edbp kh\u00f4ng.<\/p>\n

– Khi trong 4 ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi, n\u1ebfu hai ph\u01b0\u01a1ng \u00e1n m\u00e0 ho\u00e0n to\u00e0n tr\u00e1i ng\u01b0\u1ee3c nhau th\u00ec m\u1ed9t trong hai ph\u01b0\u01a1ng \u00e1n \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n

– Em ph\u1ea3i c\u1ea3nh gi\u00e1c v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi y\u00eau c\u1ea7u nh\u1eadn \u0111\u1ecbnh ph\u00e1t bi\u1ec3u l\u00e0 \u0111\u00fang hay sai. N\u00ean \u0111\u1ecdc cho h\u1ebft c\u00e2u h\u1ecfi. V\u00ec th\u1ef1c t\u1ebf c\u00f3 em ch\u1eb3ng \u0111\u1ecdc h\u1ebft c\u00e2u \u0111\u00e3 v\u1ed9i tr\u1ea3 l\u1eddi r\u1ed3i.<\/p>\n

– C\u00e1c em c\u00f3 2 c\u00e1ch \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n \u0111\u00fang:<\/p>\n

* C\u00e1ch th\u1ee9 nh\u1ea5t: Gi\u1ea3i b\u00e0i to\u00e1n \u0111\u1ea7u b\u00e0i \u0111\u01b0a ra t\u00ecm \u0111\u00e1p s\u1ed1 xem c\u00f3 tr\u00f9ng v\u1edbi \u0111\u00e1p \u00e1n th\u00ec ch\u1ecdn.<\/p>\n

* C\u00e1ch th\u1ee9 hai: Ta d\u00f9ng \u0111\u00e1p \u00e1n \u0111\u00f3 \u0111\u01b0a v\u00e0o c\u00f4ng th\u1ee9c m\u00e0 c\u00e1c em bi\u1ebft th\u00ec \u0111\u00e1p \u00e1n n\u00e0o \u0111\u01b0a v\u00e0o c\u00f4ng th\u1ee9c c\u00f3 k\u1ebft qu\u1ea3 h\u1ee3p l\u00fd l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n

– Cu\u1ed1i c\u00f9ng, tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 c\u00e1c c\u00e2u (\u201ct\u00f4\u201d may m\u1eafn!): M\u1ed7i c\u00e2u \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m, v\u1eady n\u00ean, b\u1ecf qua c\u00e2u n\u00e0o l\u00e0 m\u1ea5t \u0111i\u1ec3m c\u00e2u \u0111\u00f3. Khi \u0111\u00e3 g\u1ea7n h\u1ebft th\u1eddi gian l\u00e0m b\u00e0i, n\u1ebfu c\u00f2n m\u1ed9t s\u1ed1 c\u00e2u tr\u1eafc nghi\u1ec7m ch\u01b0a t\u00ecm \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi \u0111\u00fang, c\u00e1c em kh\u00f4ng n\u00ean b\u1ecf tr\u1ed1ng, m\u00e0 n\u00ean l\u1ef1a ch\u1ecdn ng\u1eabu nhi\u00ean ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi.<\/p>\n

Ch\u00fac c\u00e1c em \u00f4n t\u1eadp v\u00e0 l\u00e0m t\u1ed1t b\u00e0i thi THPT qu\u1ed1c gia n\u0103m 2016.<\/em><\/p>\n<\/div>\n

C\u00f4 Nguy\u1ec5n Th\u1ecb H\u01b0\u01a1ng \u2013 Gi\u00e1o vi\u00ean d\u1ea1y gi\u1ecfi m\u00f4n V\u1eadt l\u00fd<\/strong><\/p>\n

\n","protected":false},"excerpt":{"rendered":"

C\u00f4 Nguy\u1ec5n Th\u1ecb H\u01b0\u01a1ng \u2013 Gi\u00e1o vi\u00ean d\u1ea1y gi\u1ecfi m\u00f4n V\u1eadt l\u00fd tr\u01b0\u1eddng THPT \u0110\u1ed1ng \u0110a (H\u00e0 N\u1ed9i) – chia s\u1ebb k\u1ef9 n\u0103ng \u00f4n t\u1eadp v\u00e0 l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt l\u00fd \u0111\u1ea1t \u0111i\u1ec3m cao trong k\u1ef3 thi THPT qu\u1ed1c gia 2016. Ch\u00fang em l\u00e0 nh\u1eefng h\u1ecdc sinh chuy\u00ean ban C \u2013 m\u00f4n V\u1eadt l\u00fd […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[158],"tags":[],"yoast_head":"\nC\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd\" \/>\n<meta property=\"og:description\" content=\"C\u00f4 Nguy\u1ec5n Th\u1ecb H\u01b0\u01a1ng \u2013 Gi\u00e1o vi\u00ean d\u1ea1y gi\u1ecfi m\u00f4n V\u1eadt l\u00fd tr\u01b0\u1eddng THPT \u0110\u1ed1ng \u0110a (H\u00e0 N\u1ed9i) – chia s\u1ebb k\u1ef9 n\u0103ng \u00f4n t\u1eadp v\u00e0 l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt l\u00fd \u0111\u1ea1t \u0111i\u1ec3m cao trong k\u1ef3 thi THPT qu\u1ed1c gia 2016. Ch\u00fang em l\u00e0 nh\u1eefng h\u1ecdc sinh chuy\u00ean ban C \u2013 m\u00f4n V\u1eadt l\u00fd […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-28T10:07:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-11-11T10:29:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2016\/03\/cach-on-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly_1459081574_1.jpg\" \/>\n<meta name=\"author\" content=\"Thu H\u01b0\u01a1ng\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Thu H\u01b0\u01a1ng\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/\",\"url\":\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/\",\"name\":\"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2016-03-28T10:07:17+00:00\",\"dateModified\":\"2016-11-11T10:29:23+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87\",\"name\":\"Thu H\u01b0\u01a1ng\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g\",\"caption\":\"Thu H\u01b0\u01a1ng\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/huongttt2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/","og_locale":"en_US","og_type":"article","og_title":"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd","og_description":"C\u00f4 Nguy\u1ec5n Th\u1ecb H\u01b0\u01a1ng \u2013 Gi\u00e1o vi\u00ean d\u1ea1y gi\u1ecfi m\u00f4n V\u1eadt l\u00fd tr\u01b0\u1eddng THPT \u0110\u1ed1ng \u0110a (H\u00e0 N\u1ed9i) – chia s\u1ebb k\u1ef9 n\u0103ng \u00f4n t\u1eadp v\u00e0 l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt l\u00fd \u0111\u1ea1t \u0111i\u1ec3m cao trong k\u1ef3 thi THPT qu\u1ed1c gia 2016. Ch\u00fang em l\u00e0 nh\u1eefng h\u1ecdc sinh chuy\u00ean ban C \u2013 m\u00f4n V\u1eadt l\u00fd […]","og_url":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2016-03-28T10:07:17+00:00","article_modified_time":"2016-11-11T10:29:23+00:00","og_image":[{"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2016\/03\/cach-on-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly_1459081574_1.jpg"}],"author":"Thu H\u01b0\u01a1ng","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Thu H\u01b0\u01a1ng","Est. reading time":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/","url":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/","name":"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2016-03-28T10:07:17+00:00","dateModified":"2016-11-11T10:29:23+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/cach-tap-de-rinh-diem-kha-bai-thi-mon-vat-ly\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"C\u00e1ch \u00f4n t\u1eadp \u0111\u1ec3 \u201crinh\u201d \u0111i\u1ec3m kh\u00e1 b\u00e0i thi m\u00f4n V\u1eadt l\u00fd"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87","name":"Thu H\u01b0\u01a1ng","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","caption":"Thu H\u01b0\u01a1ng"},"url":"https:\/\/lop12.edu.vn\/author\/huongttt2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/2134"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=2134"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/2134\/revisions"}],"predecessor-version":[{"id":6065,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/2134\/revisions\/6065"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=2134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=2134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=2134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}