{"id":79,"date":"2025-07-17T10:55:53","date_gmt":"2025-07-17T10:55:53","guid":{"rendered":"https:\/\/giapsgk.com\/chuyen-de\/?p=79"},"modified":"2025-07-17T11:03:56","modified_gmt":"2025-07-17T11:03:56","slug":"tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2","status":"publish","type":"post","link":"https:\/\/giapsgk.com\/chuyen-de\/tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2\/","title":{"rendered":"T\u00f3m t\u1eaft V\u1eadt l\u00fd 11 K\u1ebft n\u1ed1i tri th\u1ee9c h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2"},"content":{"rendered":"<p>T\u00e0i li\u1ec7u t\u00f3m t\u1eaft V\u1eadt l\u00fd 11 theo ch\u01b0\u01a1ng tr\u00ecnh s\u00e1ch gi\u00e1o khoa K\u1ebft n\u1ed1i tri th\u1ee9c v\u1edbi cu\u1ed9c s\u1ed1ng, bao g\u1ed3m to\u00e0n b\u1ed9 l\u00fd thuy\u1ebft v\u00e0 c\u00f4ng th\u1ee9c tr\u1ecdng t\u00e2m c\u1ee7a h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2. Gi\u00fap h\u1ecdc sinh \u00f4n t\u1eadp nhanh, n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c \u0111\u1ec3 chu\u1ea9n b\u1ecb cho ki\u1ec3m tra, thi h\u1ecdc k\u1ef3, thi cu\u1ed1i n\u0103m hi\u1ec7u qu\u1ea3.<\/p>\n<h2><strong>Ch\u01b0\u01a1ng I. Dao \u0111\u1ed9ng<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-89 size-full\" src=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/giapsgk-tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2-2.png\" alt=\"T\u00f3m t\u1eaft V\u1eadt l\u00fd 11 KNTT\" width=\"1217\" height=\"501\" \/><\/p>\n<p><strong>1. Dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a<\/strong><\/p>\n<p>Kh\u00e1i ni\u1ec7m: L\u00e0 dao \u0111\u1ed9ng c\u00f3 li \u0111\u1ed9 bi\u1ebfn thi\u00ean theo h\u00e0m sin ho\u1eb7c cos.<\/p>\n<p>C\u00f4ng th\u1ee9c: $x = A \\cos(\\omega t + \\varphi)$<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>$A$: bi\u00ean \u0111\u1ed9,<\/li>\n<li>$\\omega$: t\u1ea7n s\u1ed1 g\u00f3c,<\/li>\n<li>$\\varphi$: pha ban \u0111\u1ea7u,<\/li>\n<li>$t$: th\u1eddi gian.<\/li>\n<\/ul>\n<p><strong>2. M\u00f4 t\u1ea3 dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a<\/strong><\/p>\n<ul>\n<li>Chu k\u00ec $T = \\frac{2\\pi}{\\omega}$<\/li>\n<li>T\u1ea7n s\u1ed1 $f = \\frac{1}{T}$<\/li>\n<li>\u0110\u1ed3 th\u1ecb: d\u1ea1ng h\u00ecnh sin\/cos, l\u1eb7p l\u1ea1i sau m\u1ed7i chu k\u1ef3.<\/li>\n<\/ul>\n<p><strong>3. V\u1eadn t\u1ed1c, gia t\u1ed1c trong dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a<\/strong><\/p>\n<p>V\u1eadn t\u1ed1c: $v = -A\\omega \\sin(\\omega t + \\varphi)$<\/p>\n<p>Gia t\u1ed1c: $a = -A\\omega^2 \\cos(\\omega t + \\varphi) = -\\omega^2 x$<\/p>\n<p>Nh\u1eadn x\u00e9t:<\/p>\n<ul>\n<li>V\u1eadn t\u1ed1c c\u1ef1c \u0111\u1ea1i: $v_{\\text{max}} = A\\omega$<\/li>\n<li>Gia t\u1ed1c c\u1ef1c \u0111\u1ea1i: $a_{\\text{max}} = A\\omega^2$<\/li>\n<\/ul>\n<p><strong>4. \u0110\u1ed9ng n\u0103ng. Th\u1ebf n\u0103ng. S\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng<\/strong><\/p>\n<p>C\u00f4ng th\u1ee9c:<\/p>\n<ul>\n<li>\u0110\u1ed9ng n\u0103ng: $W_{\\text{\u0111}} = \\frac{1}{2}mv^2 = \\frac{1}{2}mA^2\\omega^2 \\sin^2(\\omega t + \\varphi)$<\/li>\n<li>Th\u1ebf n\u0103ng: $W_{\\text{t}} = \\frac{1}{2}k x^2$<\/li>\n<li>C\u01a1 n\u0103ng: $W = \\frac{1}{2}kA^2 = \\text{h\u1eb1ng s\u1ed1}$<\/li>\n<\/ul>\n<p><strong>5. Dao \u0111\u1ed9ng t\u1eaft d\u1ea7n. Dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c. C\u1ed9ng h\u01b0\u1edfng<\/strong><\/p>\n<ul>\n<li>Dao \u0111\u1ed9ng t\u1eaft d\u1ea7n: bi\u00ean \u0111\u1ed9 gi\u1ea3m d\u1ea7n theo th\u1eddi gian do ma s\u00e1t.<\/li>\n<li>Dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c: dao \u0111\u1ed9ng ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a ngo\u1ea1i l\u1ef1c tu\u1ea7n ho\u00e0n.<\/li>\n<li>C\u1ed9ng h\u01b0\u1edfng: x\u1ea3y ra khi t\u1ea7n s\u1ed1 l\u1ef1c c\u01b0\u1ee1ng b\u1ee9c b\u1eb1ng t\u1ea7n s\u1ed1 ri\u00eang c\u1ee7a h\u1ec7 \u2192 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng c\u1ef1c \u0111\u1ea1i.<\/li>\n<\/ul>\n<h2><strong>Ch\u01b0\u01a1ng II. S\u00f3ng<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-91 size-full\" src=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/giapsgk-tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2-3.png\" alt=\"T\u1ed5ng h\u1ee3p c\u00f4ng th\u1ee9c V\u1eadt l\u00fd 11 KNTT\" width=\"1131\" height=\"631\" \/><\/p>\n<p><strong>1. M\u00f4 t\u1ea3 s\u00f3ng<\/strong><\/p>\n<ul>\n<li>Kh\u00e1i ni\u1ec7m: s\u00f3ng l\u00e0 dao \u0111\u1ed9ng lan truy\u1ec1n trong m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t.<\/li>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh s\u00f3ng: $u(x, t) = A \\cos(\\omega t \\pm kx + \\varphi)$ v\u1edbi $k = \\frac{2\\pi}{\\lambda}$<\/li>\n<\/ul>\n<p><strong>2. S\u00f3ng ngang. S\u00f3ng d\u1ecdc. Truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng<\/strong><\/p>\n<ul>\n<li>S\u00f3ng ngang: ph\u01b0\u01a1ng dao \u0111\u1ed9ng \u22a5 ph\u01b0\u01a1ng truy\u1ec1n (v\u00ed d\u1ee5: s\u00f3ng tr\u00ean d\u00e2y).<\/li>\n<li>S\u00f3ng d\u1ecdc: ph\u01b0\u01a1ng dao \u0111\u1ed9ng \u2225 ph\u01b0\u01a1ng truy\u1ec1n (v\u00ed d\u1ee5: s\u00f3ng \u00e2m).<\/li>\n<li>S\u00f3ng truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng truy\u1ec1n v\u1eadt ch\u1ea5t.<\/li>\n<\/ul>\n<p><strong>3. S\u00f3ng \u0111i\u1ec7n t\u1eeb<\/strong><\/p>\n<p>L\u00e0 s\u00f3ng lan truy\u1ec1n c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 t\u1eeb tr\u01b0\u1eddng bi\u1ebfn thi\u00ean.<\/p>\n<p>T\u00ednh ch\u1ea5t:<\/p>\n<ul>\n<li>Truy\u1ec1n \u0111\u01b0\u1ee3c trong ch\u00e2n kh\u00f4ng<\/li>\n<li>V\u1eadn t\u1ed1c: $c = 3 \\times 10^8 \\, \\text{m\/s}$<\/li>\n<li>G\u1ed3m: s\u00f3ng v\u00f4 tuy\u1ebfn, \u00e1nh s\u00e1ng, tia X&#8230;<\/li>\n<\/ul>\n<p><strong>4. Giao thoa s\u00f3ng<\/strong><\/p>\n<ul>\n<li>Hi\u1ec7n t\u01b0\u1ee3ng: hai s\u00f3ng g\u1eb7p nhau t\u1ea1o n\u00ean v\u00f9ng c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u.<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n c\u1ef1c \u0111\u1ea1i: $\\Delta d = k\\lambda$<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n c\u1ef1c ti\u1ec3u: $\\Delta d = (k + \\frac{1}{2})\\lambda$<\/li>\n<\/ul>\n<p><strong>5. S\u00f3ng d\u1eebng<\/strong><\/p>\n<ul>\n<li>H\u00ecnh th\u00e0nh do s\u1ef1 giao thoa c\u1ee7a s\u00f3ng t\u1edbi v\u00e0 s\u00f3ng ph\u1ea3n x\u1ea1.<\/li>\n<li>C\u00f3 n\u00fat (kh\u00f4ng dao \u0111\u1ed9ng) v\u00e0 b\u1ee5ng (dao \u0111\u1ed9ng c\u1ef1c \u0111\u1ea1i).<\/li>\n<\/ul>\n<h2><strong>Ch\u01b0\u01a1ng III. \u0110i\u1ec7n tr\u01b0\u1eddng<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-92 size-full\" src=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/giapsgk-tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2-4.png\" alt=\"\u00d4n t\u1eadp V\u1eadt l\u00fd 11 h\u1ecdc k\u1ef3 1 h\u1ecdc k\u1ef3 2\" width=\"964\" height=\"484\" \/><\/p>\n<p><strong>1. L\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa hai \u0111i\u1ec7n t\u00edch<\/strong><\/p>\n<p>\u0110\u1ecbnh lu\u1eadt Coulomb: $F = k \\frac{|q_1 q_2|}{\\varepsilon r^2}$<\/p>\n<p><strong>2. Kh\u00e1i ni\u1ec7m \u0111i\u1ec7n tr\u01b0\u1eddng<\/strong><\/p>\n<ul>\n<li>\u0110i\u1ec7n tr\u01b0\u1eddng: v\u00f9ng xung quanh \u0111i\u1ec7n t\u00edch c\u00f3 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng l\u1ef1c l\u00ean \u0111i\u1ec7n t\u00edch kh\u00e1c.<\/li>\n<li>C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng: $\\vec{E} = \\frac{\\vec{F}}{q}$<\/li>\n<\/ul>\n<p><strong>3. \u0110i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u<\/strong><\/p>\n<p>C\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i v\u1ec1 h\u01b0\u1edbng v\u00e0 \u0111\u1ed9 l\u1edbn.<\/p>\n<p>\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n song song, c\u00e1ch \u0111\u1ec1u.<\/p>\n<p><strong>4. Th\u1ebf n\u0103ng \u0111i\u1ec7n<\/strong><\/p>\n<p>Th\u1ebf n\u0103ng c\u1ee7a q trong \u0111i\u1ec7n tr\u01b0\u1eddng: $W = qEd$ (v\u1edbi d l\u00e0 kho\u1ea3ng c\u00e1ch theo ph\u01b0\u01a1ng \u0111i\u1ec7n tr\u01b0\u1eddng)<\/p>\n<p><strong>5. \u0110i\u1ec7n th\u1ebf<\/strong><\/p>\n<ul>\n<li>\u0110i\u1ec7n th\u1ebf t\u1ea1i \u0111i\u1ec3m M: $V = \\frac{W}{q}$<\/li>\n<li>Hi\u1ec7u \u0111i\u1ec7n th\u1ebf: $U = V_A &#8211; V_B = \\frac{W_{AB}}{q}$<\/li>\n<\/ul>\n<p><strong>6. T\u1ee5 \u0111i\u1ec7n<\/strong><\/p>\n<p>C\u00f4ng th\u1ee9c \u0111i\u1ec7n dung: $C = \\frac{q}{U}$, \u0111\u01a1n v\u1ecb: farad (F)<\/p>\n<p>N\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ee5: $W = \\frac{1}{2}CU^2$<\/p>\n<h2><strong>Ch\u01b0\u01a1ng IV. D\u00f2ng \u0111i\u1ec7n. M\u1ea1ch \u0111i\u1ec7n<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-93 size-full\" src=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/giapsgk-tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2-5.png\" alt=\"L\u00fd thuy\u1ebft V\u1eadt l\u00fd 11 h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2\" width=\"750\" height=\"298\" \/><\/p>\n<p><strong>1. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n<\/strong><\/p>\n<ul>\n<li>\u0110\u1ecbnh ngh\u0129a: $I = \\frac{q}{t}$<\/li>\n<li>Chi\u1ec1u d\u00f2ng \u0111i\u1ec7n: t\u1eeb d\u01b0\u01a1ng sang \u00e2m (quy \u01b0\u1edbc).<\/li>\n<\/ul>\n<p><strong>2. \u0110i\u1ec7n tr\u1edf. \u0110\u1ecbnh lu\u1eadt Ohm<\/strong><\/p>\n<p>\u0110\u1ecbnh lu\u1eadt Ohm: $I = \\frac{U}{R}$<\/p>\n<p>\u0110i\u1ec7n tr\u1edf d\u00e2y d\u1eabn: $R = \\rho \\frac{l}{S}$<\/p>\n<p><strong>3. Ngu\u1ed3n \u0111i\u1ec7n<\/strong><\/p>\n<p>Su\u1ea5t \u0111i\u1ec7n \u0111\u1ed9ng (\u03be): c\u00f4ng c\u1ee7a ngu\u1ed3n sinh ra d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>C\u00f4ng th\u1ee9c: $\\xi = \\frac{A}{q}$<\/p>\n<p><strong>4. N\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00f4ng su\u1ea5t \u0111i\u1ec7n<\/strong><\/p>\n<ul>\n<li>C\u00f4ng: $A = UIt$<\/li>\n<li>C\u00f4ng su\u1ea5t: $P = UI$<\/li>\n<li>\u0110\u1ecbnh lu\u1eadt Jun \u2013 Lenx\u01a1: $Q = I^2Rt$<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/GiapSgk.com-Tom-tat-Vat-ly-11-Ket-Noi-Tri-Thuc-hk1-va-hk2.pdf\">T\u00f3m t\u1eaft V\u1eadt l\u00fd 11 K\u1ebft N\u1ed1i Tri Th\u1ee9c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e0i li\u1ec7u t\u00f3m t\u1eaft V\u1eadt l\u00fd 11 theo ch\u01b0\u01a1ng tr\u00ecnh s\u00e1ch gi\u00e1o khoa K\u1ebft n\u1ed1i tri th\u1ee9c v\u1edbi cu\u1ed9c s\u1ed1ng, bao g\u1ed3m to\u00e0n b\u1ed9 l\u00fd thuy\u1ebft v\u00e0 c\u00f4ng th\u1ee9c tr\u1ecdng t\u00e2m c\u1ee7a h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2. Gi\u00fap h\u1ecdc sinh \u00f4n t\u1eadp nhanh, n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c \u0111\u1ec3 chu\u1ea9n b\u1ecb cho ki\u1ec3m tra, &#8230; <a title=\"T\u00f3m t\u1eaft V\u1eadt l\u00fd 11 K\u1ebft n\u1ed1i tri th\u1ee9c h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2\" class=\"read-more\" href=\"https:\/\/giapsgk.com\/chuyen-de\/tom-tat-vat-ly-11-kntt-hoc-ky-1-va-hoc-ky-2\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 T\u00f3m t\u1eaft V\u1eadt l\u00fd 11 K\u1ebft n\u1ed1i tri th\u1ee9c h\u1ecdc k\u1ef3 1 v\u00e0 h\u1ecdc k\u1ef3 2\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":1,"featured_media":87,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-79","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ly-thuyet"],"_links":{"self":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/79","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=79"}],"version-history":[{"count":9,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":95,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/79\/revisions\/95"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media\/87"}],"wp:attachment":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media?parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/categories?post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/tags?post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}