{"id":774,"date":"2026-10-05T14:26:54","date_gmt":"2026-10-05T07:26:54","guid":{"rendered":"https:\/\/giapsgk.com\/chuyen-de\/?p=774"},"modified":"2026-10-05T14:28:28","modified_gmt":"2026-10-05T07:28:28","slug":"de-thi-giua-ky-i-mon-vat-li-11-nam-2027","status":"publish","type":"post","link":"https:\/\/giapsgk.com\/chuyen-de\/de-thi-giua-ky-i-mon-vat-li-11-nam-2027\/","title":{"rendered":"\u0110\u1ec1 thi gi\u1eefa k\u1ef3 I m\u00f4n V\u1eadt L\u00ed 11 n\u0103m 2027"},"content":{"rendered":"<p><strong>\u0110\u1ec1 thi gi\u1eefa k\u1ef3 I m\u00f4n V\u1eadt L\u00ed 11 n\u0103m 2027<\/strong> gi\u00fap h\u1ecdc sinh \u00f4n t\u1eadp v\u00e0 c\u1ee7ng c\u1ed1 nh\u1eefng ki\u1ebfn th\u1ee9c V\u1eadt L\u00ed 11 \u0111\u00e3 h\u1ecdc trong n\u1eeda \u0111\u1ea7u h\u1ecdc k\u1ef3 I. Vi\u1ec7c luy\u1ec7n \u0111\u1ec1 tr\u01b0\u1edbc k\u1ef3 ki\u1ec3m tra s\u1ebd gi\u00fap c\u00e1c em l\u00e0m quen v\u1edbi d\u1ea1ng c\u00e2u h\u1ecfi, r\u00e8n k\u1ef9 n\u0103ng t\u00ednh to\u00e1n v\u00e0 t\u1ef1 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c c\u1ee7a m\u00ecnh.<\/p>\n<p><strong>Cu\u1ed1i b\u00e0i c\u00f3 file PDF \u0111\u1ec1 thi v\u00e0 PDF l\u1eddi gi\u1ea3i chi ti\u1ebft<\/strong> \u0111\u1ec3 h\u1ecdc sinh t\u1ea3i v\u1ec1, l\u00e0m b\u00e0i v\u00e0 \u0111\u1ed1i chi\u1ebfu k\u1ebft qu\u1ea3 sau khi ho\u00e0n th\u00e0nh.<\/p>\n<h2><strong>Th\u00ed sinh ch\u1ec9 ch\u1ecdn m\u1ed9t ph\u01b0\u01a1ng \u00e1n \u0111\u00fang<\/strong>.<\/h2>\n<p><strong>C\u00e2u 1.<\/strong> Trong dao \u0111\u1ed9ng \u0111i\u1ec1u ho\u00e0, ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n<p>A. C\u1ee9 sau m\u1ed9t kho\u1ea3ng th\u1eddi gian T th\u00ec v\u1eadt l\u1ea1i tr\u1edf v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u.<\/p>\n<p>B. C\u1ee9 sau m\u1ed9t kho\u1ea3ng th\u1eddi gian T th\u00ec v\u1eadn t\u1ed1c c\u1ee7a v\u1eadt l\u1ea1i tr\u1edf v\u1ec1 gi\u00e1 tr\u1ecb ban \u0111\u1ea7u.<\/p>\n<p>C. C\u1ee9 sau m\u1ed9t kho\u1ea3ng th\u1eddi gian T th\u00ec gia t\u1ed1c c\u1ee7a v\u1eadt l\u1ea1i tr\u1edf v\u1ec1 gi\u00e1 tr\u1ecb ban \u0111\u1ea7u.<\/p>\n<p>D. C\u1ee9 sau m\u1ed9t kho\u1ea3ng th\u1eddi gian T th\u00ec bi\u00ean \u0111\u1ed9 v\u1eadt l\u1ea1i tr\u1edf v\u1ec1 gi\u00e1 tr\u1ecb ban \u0111\u1ea7u.<\/p>\n<p><strong>C\u00e2u 2.<\/strong> Trong dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a nh\u1eefng \u0111\u1ea1i l\u01b0\u1ee3ng dao \u0111\u1ed9ng c\u00f9ng t\u1ea7n s\u1ed1 v\u1edbi ly \u0111\u1ed9 l\u00e0<\/p>\n<p>A. \u0111\u1ed9ng n\u0103ng, th\u1ebf n\u0103ng v\u00e0 l\u1ef1c k\u00e9o v\u1ec1.<\/p>\n<p>B. v\u1eadn t\u1ed1c, gia t\u1ed1c v\u00e0 \u0111\u1ed9ng n\u0103ng.<\/p>\n<p>C. v\u1eadn t\u1ed1c, \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng.<\/p>\n<p>D. v\u1eadn t\u1ed1c, gia t\u1ed1c v\u00e0 l\u1ef1c k\u00e9o v\u1ec1.<\/p>\n<p><strong>C\u00e2u 3.<\/strong> V\u00e0o n\u0103m 2007 \u1edf H\u00e0 N\u1ed9i, m\u1ed9t m\u00e1y \u0111\u1ea7m \u0111\u1ea5t nh\u1ecf ho\u1ea1t \u0111\u1ed9ng l\u00e0m rung chuy\u1ec3n m\u1ed9t s\u1ed1 s\u00e0n nh\u00e0 c\u1ee7a m\u1ed9t t\u00f2a trung c\u01b0. Dao \u0111\u1ed9ng c\u1ee7a s\u00e0n nh\u00e0 l\u00e0<\/p>\n<p>A. dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c.<\/p>\n<p>B. dao \u0111\u1ed9ng c\u00f3 bi\u00ean \u0111\u1ed9 t\u0103ng d\u1ea7n.<\/p>\n<p>C. dao \u0111\u1ed9ng t\u1eaft d\u1ea7n.<\/p>\n<p>D. dao \u0111\u1ed9ng c\u00f3 t\u1ea7n s\u1ed1 t\u0103ng d\u1ea7n.<\/p>\n<p><strong>C\u00e2u 4.<\/strong> M\u1ed9t con l\u1eafc \u0111\u01a1n dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a t\u1ea1i n\u01a1i c\u00f3 g = \u03c02 m\/s2. Chi\u1ec1u d\u00e0i c\u1ee7a d\u00e2y treo con l\u1eafc l\u00e0 25cm th\u00ec t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng l\u00e0:<\/p>\n<p>A. 0,1Hz.<\/p>\n<p>B. 100Hz.<\/p>\n<p>C. 10Hz.<\/p>\n<p>D. 1Hz.<\/p>\n<p><strong>C\u00e2u 5.<\/strong> Trong dao \u0111\u1ed9ng \u0111i\u1ec1u ho\u00e0<\/p>\n<p>A. gia t\u1ed1c bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ho\u00e0 c\u00f9ng pha so v\u1edbi v\u1eadn t\u1ed1c.<\/p>\n<p>B. gia t\u1ed1c bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ho\u00e0 ng\u01b0\u1ee3c pha so v\u1edbi v\u1eadn t\u1ed1c.<\/p>\n<p>C. gia t\u1ed1c bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ho\u00e0 s\u1edbm pha \u03c0\/2 so v\u1edbi v\u1eadn t\u1ed1c.<\/p>\n<p>D. gia t\u1ed1c bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ho\u00e0 ch\u1eadm pha \u03c0\/2 so v\u1edbi v\u1eadn t\u1ed1c.<\/p>\n<p><strong>C\u00e2u 6.<\/strong> M\u1ed9t con l\u1eafc \u0111\u01a1n \u0111ang th\u1ef1c hi\u1ec7n dao \u0111\u1ed9ng nh\u1ecf, th\u00ec<\/p>\n<p>A. khi \u0111i qua v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng l\u1ef1c c\u0103ng c\u1ee7a s\u1ee3i d\u00e2y c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt.<\/p>\n<p>B. khi \u0111i qua v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng gia t\u1ed1c c\u1ee7a v\u1eadt tri\u1ec7t ti\u00eau.<\/p>\n<p>C. t\u1ea1i hai v\u1ecb tr\u00ed bi\u00ean gia t\u1ed1c c\u1ee7a v\u1eadt ti\u1ebfp tuy\u1ebfn v\u1edbi qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n<p>D. gia t\u1ed1c c\u1ee7a v\u1eadt lu\u00f4n vu\u00f4ng g\u00f3c v\u1edbi s\u1ee3i d\u00e2y.<\/p>\n<p><strong>C\u00e2u 7<\/strong>. Con l\u1eafc l\u00f2 xo dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a theo ph\u01b0\u01a1ng ngang, l\u00fac \u0111\u1ed9 d\u1eddi c\u1ee7a v\u1eadt b\u1eb1ng 10% bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng th\u00ec:<\/p>\n<p>A. v\u1eadn t\u1ed1c c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng 99,5% v\u1eadn t\u1ed1c c\u1ef1c \u0111\u1ea1i<\/p>\n<p>B. t\u1ec9 s\u1ed1 gi\u1eefa th\u1ebf n\u0103ng dao \u0111\u1ed9ng v\u00e0 \u0111\u1ed9ng n\u0103ng l\u00e0 99<\/p>\n<p>C. gia t\u1ed1c c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng 90% gia t\u1ed1c c\u1ef1c \u0111\u1ea1i<\/p>\n<p>D. t\u1ec9 s\u1ed1 gi\u1eefa \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng dao \u0111\u1ed9ng l\u00e0 1\/99<\/p>\n<p><strong>C\u00e2u 8.<\/strong> M\u1ed9t v\u1eadt dao \u0111\u1ed9ng \u0111i\u1ec1u ho\u00e0 v\u1edbi t\u1ea7n s\u1ed1 2 Hz. \u0110i\u1ec1u kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n<p>A. \u0110\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a v\u1eadt \u0111\u1ec1u bi\u1ebfn thi\u00ean \u0111i\u1ec1u ho\u00e0 v\u1edbi chu k\u1ef3 b\u1eb1ng 1,0 s.<\/p>\n<p>B. \u0110\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a v\u1eadt b\u1eb1ng nhau sau nh\u1eefng kho\u1ea3ng th\u1eddi gian b\u1eb1ng 0,125 s.<\/p>\n<p>C. \u0110\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a v\u1eadt \u0111\u1ec1u bi\u1ebfn thi\u00ean \u0111i\u1ec1u ho\u00e0 v\u1edbi chu k\u1ef3 b\u1eb1ng 0,5 s.<\/p>\n<p>D. \u0110\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a v\u1eadt lu\u00f4n kh\u00f4ng \u0111\u1ed5i.<\/p>\n<h2><strong>Th\u00ed sinh tr\u1ea3 l\u1eddi t\u1eeb c\u00e2u 1 \u0111\u1ebfn c\u00e2u 6<\/strong><\/h2>\n<p><strong>C\u00e2u 1.<\/strong> M\u1ed9t chi\u1ebfc xe ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng l\u00e1t g\u1ea1ch, c\u1ee9 sau 15 m tr\u00ean \u0111\u01b0\u1eddng l\u1ea1i c\u00f3 m\u1ed9t r\u00e3nh nh\u1ecf. Bi\u1ebft chu k\u00ec dao \u0111\u1ed9ng ri\u00eang c\u1ee7a khung xe tr\u00ean c\u00e1c l\u00f2 xo gi\u1ea3m x\u00f3c l\u00e0 1,5 s. \u0110\u1ec3 xe b\u1ecb x\u00f3c m\u1ea1nh nh\u1ea5t th\u00ec xe ph\u1ea3i chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng \u0111\u1ec1u v\u1edbi t\u1ed1c \u0111\u1ed9 b\u1eb1ng bao nhi\u00eau?<\/p>\n<p><strong>C\u00e2u 2.<\/strong> Cho 2 v\u1eadt dao \u0111\u1ed9ng \u0111i\u1ec1u ho\u00e0 c\u00f9ng bi\u00ean \u0111\u1ed9 A tr\u00ean tr\u1ee5c 0x. Bi\u1ebft f1 = 3Hz, f2 = 6Hz. \u1ede th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u hai v\u1eadt \u0111\u1ec1u c\u00f3 li \u0111\u1ed9 x0 = A\/2 chuy\u1ec3n \u0111\u1ed9ng c\u00f9ng chi\u1ec1u v\u1ec1 v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng. Kho\u1ea3ng th\u1eddi gian ng\u1eafn nh\u1ea5t \u0111\u1ec3 hai v\u1eadt c\u00f3 c\u00f9ng li \u0111\u1ed9?<\/p>\n<p><strong>C\u00e2u 3.<\/strong> M\u1ed9t con l\u1eafc l\u00f2 xo g\u1ed3m v\u1eadt nh\u1ecf kh\u1ed1i l\u01b0\u1ee3ng 0,2 kg v\u00e0 l\u00f2 xo c\u00f3 \u0111\u1ed9 c\u1ee9ng k = 20 N\/m. V\u1eadt nh\u1ecf \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean gi\u00e1 \u0111\u1ee1 c\u1ed1 \u0111\u1ecbnh n\u1eb1m ngang d\u1ecdc theo tr\u1ee5c l\u00f2 xo. H\u1ec7 s\u1ed1 ma s\u00e1t tr\u01b0\u1ee3t gi\u1eefa gi\u00e1 \u0111\u1ee1 v\u00e0 v\u1eadt nh\u1ecf l\u00e0 0,01. T\u1eeb v\u1ecb tr\u00ed l\u00f2 xo kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, truy\u1ec1n cho v\u1eadt v\u1eadn t\u1ed1c ban \u0111\u1ea7u 1 m\/s th\u00ec th\u1ea5y con l\u1eafc dao \u0111\u1ed9ng t\u1eaft d\u1ea7n trong gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo. L\u1ea5y g = 10 m\/s2. \u0110\u1ed9 l\u1edbn l\u1ef1c \u0111\u00e0n h\u1ed3i c\u1ef1c \u0111\u1ea1i c\u1ee7a l\u00f2 xo trong qu\u00e1 tr\u00ecnh dao \u0111\u1ed9ng b\u1eb1ng bao nhi\u00eau?<\/p>\n<p><strong>C\u00e2u 4.<\/strong> V\u1eadt nh\u1ecf c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 200 g trong m\u1ed9t con l\u1eafc l\u00f2 xo dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a v\u1edbi chu k\u00ec T v\u00e0 bi\u00ean \u0111\u1ed9 4 cm. Bi\u1ebft trong m\u1ed9t chu k\u00ec, kho\u1ea3ng th\u1eddi gian \u0111\u1ec3 v\u1eadt nh\u1ecf c\u00f3 \u0111\u1ed9 l\u1edbn gia t\u1ed1c kh\u00f4ng nh\u1ecf h\u01a1n 500\u221a2 cm\/s2 l\u00e0 T\/2. T\u00ecm \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u00f2 xo?<\/p>\n<p><strong>C\u00e2u 5.<\/strong> M\u1ed9t v\u1eadt dao \u0111\u1ed9ng v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh x = 4\u221a2cos(5\u03c0t \u2013 3\u03c0\/4) cm. Qu\u00e3ng \u0111\u01b0\u1eddng v\u1eadt \u0111i t\u1eeb th\u1eddi \u0111i\u1ec3m t1 = 1\/10 s \u0111\u1ebfn t2 = 6 s l\u00e0 bao nhi\u00eau?<\/p>\n<p><strong>C\u00e2u 6<\/strong>. M\u1ed9t con l\u1eafc l\u00f2 xo n\u1eb1m ngang c\u00f3 K = 100 N\/m, v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m1 = 200g. H\u1ec7 s\u1ed1 ma s\u00e1t gi\u1eefa v\u1eadt v\u00e0 m\u1eb7t ph\u1eb3ng ngang l\u00e0 0,01. L\u1ea5y g = 10m\/s2. Khi v\u1eadt m1 \u0111ang \u0111\u1ee9ng y\u00ean t\u1ea1i v\u1ecb tr\u00ed l\u00f2 xo kh\u00f4ng bi\u1ebfn d\u1ea1ng th\u00ec m\u1ed9t v\u1eadt kh\u1ed1i l\u01b0\u1ee3ng m2 = 50g bay d\u1ecdc theo ph\u01b0\u01a1ng tr\u1ee5c l\u00f2 xo v\u1edbi v\u1eadn t\u1ed1c 4m\/s \u0111\u1ebfn g\u0103m v\u00e0o m1 l\u00fac t = 0. V\u1eadn t\u1ed1c hai v\u1eadt l\u00fac gia t\u1ed1c \u0111\u1ed5i chi\u1ec1u l\u1ea7n 3 k\u1ec3 t\u1eeb t = 0 c\u00f3 \u0111\u1ed9 l\u1edbn bao nhi\u00eau?<\/p>\n\n<p style=\"text-align: center;\"><a class=\"btn-dl\" href=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/2026\/10\/DE-THI-GIUA-KY-I-LOP-11-NAM-2027-LAN-1.pdf\">\u2b07 T\u1ea3i \u0110\u1ec1<\/a><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><a class=\"btn-dl\" href=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/2026\/10\/GIAI-DE-THI-GIUA-KY-I-LOP-11-NAM-2027-LAN-1.pdf\">\u2b07 T\u1ea3i L\u1eddi Gi\u1ea3i<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ec1 thi gi\u1eefa k\u1ef3 I m\u00f4n V\u1eadt L\u00ed 11 n\u0103m 2027 gi\u00fap h\u1ecdc sinh \u00f4n t\u1eadp v\u00e0 c\u1ee7ng c\u1ed1 nh\u1eefng ki\u1ebfn th\u1ee9c V\u1eadt L\u00ed 11 \u0111\u00e3 h\u1ecdc trong n\u1eeda \u0111\u1ea7u h\u1ecdc k\u1ef3 I. Vi\u1ec7c luy\u1ec7n \u0111\u1ec1 tr\u01b0\u1edbc k\u1ef3 ki\u1ec3m tra s\u1ebd gi\u00fap c\u00e1c em l\u00e0m quen v\u1edbi d\u1ea1ng c\u00e2u h\u1ecfi, r\u00e8n k\u1ef9 n\u0103ng t\u00ednh to\u00e1n &#8230; <a title=\"\u0110\u1ec1 thi gi\u1eefa k\u1ef3 I m\u00f4n V\u1eadt L\u00ed 11 n\u0103m 2027\" class=\"read-more\" href=\"https:\/\/giapsgk.com\/chuyen-de\/de-thi-giua-ky-i-mon-vat-li-11-nam-2027\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 \u0110\u1ec1 thi gi\u1eefa k\u1ef3 I m\u00f4n V\u1eadt L\u00ed 11 n\u0103m 2027\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":1,"featured_media":782,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-de-thi"],"_links":{"self":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/comments?post=774"}],"version-history":[{"count":3,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/774\/revisions"}],"predecessor-version":[{"id":783,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/774\/revisions\/783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media\/782"}],"wp:attachment":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media?parent=774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/categories?post=774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/tags?post=774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}