{"id":20850,"date":"2025-07-07T22:46:25","date_gmt":"2025-07-07T15:46:25","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20850"},"modified":"2025-07-10T10:05:06","modified_gmt":"2025-07-10T03:05:06","slug":"nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/","title":{"rendered":"Ngu\u1ed3n \u00e2m l\u00e0 g\u00ec? C\u00e1c ngu\u1ed3n \u00e2m c\u00f3 chung \u0111\u1eb7c \u0111i\u1ec3m g\u00ec?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Nguon_am_thanh_la_gi\" >Ngu\u1ed3n \u00e2m thanh l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Vi_du_ve_nguon_am_thanh\" >V\u00ed d\u1ee5 v\u1ec1 ngu\u1ed3n \u00e2m thanh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Dac_diem_chung_cua_nguon_am_thanh\" >\u0110\u1eb7c \u0111i\u1ec3m chung c\u1ee7a ngu\u1ed3n \u00e2m thanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Giai_thich_mot_so_dieu_khoan\" >Gi\u1ea3i th\u00edch m\u1ed9t s\u1ed1 \u0111i\u1ec1u kho\u1ea3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Xac_dinh_nguon_am_thanh\" >X\u00e1c \u0111\u1ecbnh ngu\u1ed3n \u00e2m thanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/nguon-am-la-gi-cac-nguon-am-co-chung-dac-diem-gi\/#Tap_the_duc_ve_nguon_lop_7\" >T\u1eadp th\u1ec3 d\u1ee5c v\u1ec1 ngu\u1ed3n l\u1edbp 7<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Trong b\u00e0i vi\u1ebft tr\u01b0\u1edbc, h\u1ecd \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u v\u1ec1 \u00e2m thanh v\u00e0 nh\u1eefng \u0111i\u1ec1u th\u00fa v\u1ecb xung quanh h\u1ecd. H\u00f4m nay, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd ti\u1ebfp t\u1ee5c chia s\u1ebb v\u1edbi h\u1ecd m\u1ed9t b\u00e0i vi\u1ebft kh\u00e1c v\u1ec1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ngu\u1ed3n \u00e2m thanh. V\u1eady ngu\u1ed3n \u00e2m thanh l\u00e0 g\u00ec? Ngu\u1ed3n \u00e2m thanh kh\u00e1c v\u1edbi \u00e2m thanh l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nguon_am_thanh_la_gi\"><\/span>Ngu\u1ed3n \u00e2m thanh l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\"><em>Ngu\u1ed3n \u00e2m thanh \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 \u00e2m thanh ph\u00e1t ra \u00e2m thanh. <\/em><\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5, \u00e2m thanh c\u1ee7a nh\u1eefng con chim h\u00e1t, ti\u1ebfng n\u01b0\u1edbc ch\u1ea3y, s\u00e1o, \u00e2m thanh c\u1ee7a c\u00e2y \u0111\u00e0n piano \u0111ang ph\u00e1t, &#8230;. t\u1ea5t c\u1ea3 ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ngu\u1ed3n \u00e2m thanh.<\/p>\n<p dir=\"ltr\">Khi \u00e2m thanh ph\u00e1t ra, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng dao \u0111\u1ed9ng.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vi_du_ve_nguon_am_thanh\"><\/span>V\u00ed d\u1ee5 v\u1ec1 ngu\u1ed3n \u00e2m thanh <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ngu\u1ed3n \u00e2m thanh t\u1ef1 nhi\u00ean nh\u01b0 s\u1ea5m s\u00e9t, m\u01b0a, &#8230;<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/nguon-am-4.jpeg\" alt=\"Ngu\u1ed3n \u00e2m thanh t\u1ef1 nhi\u00ean nh\u01b0 \u00e2m thanh c\u1ee7a th\u00e1c n\u01b0\u1edbc v\u00e0 m\u01b0a. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ngu\u1ed3n \u00e2m thanh nh\u00e2n t\u1ea1o: \u00c2m thanh piano, ti\u1ebfng tr\u1ed1ng, th\u1ed5i s\u00e1o, &#8230;<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/nguon-am-2.jpg\" alt=\"Ngu\u1ed3n \u00e2m thanh nh\u00e2n t\u1ea1o. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00e1c ngu\u1ed3n \u00e2m thanh ph\u1ed5 bi\u1ebfn l\u00e0 g\u00ec?<\/p>\n<p dir=\"ltr\">M\u1eb7c d\u00f9 \u00e2m thanh ph\u00e1t ra t\u1eeb c\u00e1c ngu\u1ed3n \u00e2m thanh l\u00e0 kh\u00e1c nhau, c\u00e1c ngu\u1ed3n \u00e2m thanh c\u00f3 m\u1ed9t t\u00ednh n\u0103ng chung.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dac_diem_chung_cua_nguon_am_thanh\"><\/span>\u0110\u1eb7c \u0111i\u1ec3m chung c\u1ee7a ngu\u1ed3n \u00e2m thanh <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi ch\u00fang t\u00f4i b\u1eadt loa \u0111\u1ec3 xem loa ph\u00e1t ra \u00e2m thanh, c\u00f3 s\u1ef1 rung \u0111\u1ed9ng trong c\u01a1 ho\u00e0nh. <\/p>\n<p dir=\"ltr\">S\u1eed d\u1ee5ng m\u1ed9t chu\u1ed7i \u0111\u00e0n h\u1ed3i k\u00e9o d\u00e0i, b\u1eadt d\u00e2y v\u00e0o s\u1ee3i d\u00e2y c\u1ee7a b\u1ea1n, ch\u00fang t\u00f4i th\u1ea5y n\u00f3 ph\u00e1t ra m\u1ed9t \u00e2m thanh khi dao \u0111\u1ed9ng. <\/p>\n<p dir=\"ltr\">Th\u00f4ng qua hai v\u00ed d\u1ee5 \u1edf tr\u00ean, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng khi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng dao \u0111\u1ed9ng. <\/p>\n<p dir=\"ltr\">V\u00ec th\u1ebf, <em>C\u00e1c ngu\u1ed3n \u00e2m thanh c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chung c\u1ee7a: khi ph\u00e1t ra \u00e2m thanh, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb dao \u0111\u1ed9ng<\/em>.<\/p>\n<p dir=\"ltr\">Hay n\u00f3i c\u00e1ch kh\u00e1c: n\u00f3 l\u00e0 m\u1ed9t ngu\u1ed3n \u00e2m thanh, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb dao \u0111\u1ed9ng <\/p>\n<p dir=\"ltr\">Dao \u0111\u1ed9ng \u1edf \u0111\u00e2y l\u00e0 chuy\u1ec3n \u0111\u1ed9ng (rung) qua l\u1ea1i \u1edf v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng (v\u1ecb tr\u00ed t\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng ngh\u1ec9).<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/nguon-am-la-gi-6.jpg\" alt=\"Ngu\u1ed3n \u00e2m thanh khi ph\u00e1t ra \u00e2m thanh dao \u0111\u1ed9ng. (\u1ea2nh: Canva.com)\" width=\"800\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_thich_mot_so_dieu_khoan\"><\/span>Gi\u1ea3i th\u00edch m\u1ed9t s\u1ed1 \u0111i\u1ec1u kho\u1ea3n <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Dao \u0111\u1ed9ng: Dao \u0111\u1ed9ng l\u00e0 chuy\u1ec3n \u0111\u1ed9ng (rung) qua l\u1ea1i \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">V\u1ecb tr\u00ed c\u00e2n b\u1eb1ng: l\u00e0 v\u1ecb tr\u00ed \u1edf tr\u1ea1ng th\u00e1i \u0111\u1ee9ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1ea7n s\u1ed1 dao \u0111\u1ed9ng: l\u00e0 s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng trong 1 gi\u00e2y, v\u1edbi \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 H\u00e9c (k\u00fd hi\u1ec7u Hz).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng: l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t t\u1ed1i \u0111a c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng dao \u0111\u1ed9ng so v\u1edbi v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng c\u1ee7a n\u00f3.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chi\u1ec1u cao c\u1ee7a \u00e2m thanh ph\u1ee5 thu\u1ed9c v\u00e0o: t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng. \u00c2m thanh c\u00e0ng cao (t\u1ea7n s\u1ed1 c\u1ee7a dao \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 c\u00e0ng nhi\u1ec1u. \u0110\u1ed3ng th\u1eddi, \u00e2m thanh s\u1ebd ph\u00e1t ra c\u00e0ng th\u1ea5p (c\u00e0ng s\u00e2u) khi t\u1ea7n s\u1ed1 c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng c\u00e0ng nh\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed9 \u1ed3n c\u1ee7a \u00e2m thanh ph\u1ee5 thu\u1ed9c v\u00e0o: bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng. Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng c\u00e0ng m\u1ea1nh, \u00e2m thanh c\u00e0ng l\u1edbn s\u1ebd ph\u00e1t ra. Ng\u01b0\u1ee3c l\u1ea1i, bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng c\u00e0ng y\u1ebfu, \u00e2m thanh s\u1ebd c\u00e0ng nh\u1ecf.<\/p>\n<\/li>\n<\/ul>\n<p>Xem th\u00eam: G\u00f3c ph\u1ea3n x\u1ea1: Kh\u00e1i ni\u1ec7m, T\u00ednh to\u00e1n &amp; C\u00e1ch v\u1ebd g\u00f3c ph\u1ea3n x\u1ea1<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xac_dinh_nguon_am_thanh\"><\/span>X\u00e1c \u0111\u1ecbnh ngu\u1ed3n \u00e2m thanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 c\u00f3 th\u1ec3 nh\u1eadn ra ngu\u1ed3n \u00e2m thanh, h\u1ecd c\u1ea7n d\u1ef1a v\u00e0o \u0111\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n \u00e2m thanh: t\u1ea5t c\u1ea3 c\u00e1c dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m thanh (ho\u1eb7c khi \u00e2m thanh ph\u00e1t ra, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd dao \u0111\u1ed9ng). T\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ngu\u1ed3n \u00e2m thanh. <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_ve_nguon_lop_7\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c v\u1ec1 ngu\u1ed3n l\u1edbp 7 <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00e2u 1: \u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng?<\/p>\n<p dir=\"ltr\">A. Khi k\u00e9o d\u00e0i<\/p>\n<p dir=\"ltr\">B. Khi u\u1ed1n cong v\u1eadt<\/p>\n<p dir=\"ltr\">C. Khi n\u00e9n \u0111\u1ed1i t\u01b0\u1ee3ng<\/p>\n<p dir=\"ltr\">D. Khi l\u00e0m b\u1ed9 dao \u0111\u1ed9ng<\/p>\n<p dir=\"ltr\">C\u00e2u 2: Ch\u00fang t\u00f4i nghe th\u1ea5y ca s\u0129 h\u00e1t tr\u00ean TV. V\u1eady ngu\u1ed3n \u00e2m thanh \u1edf \u0111\u00e2u?<\/p>\n<p dir=\"ltr\">A. Ca s\u0129 ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">B. T\u1eeb n\u00fam \u0111i\u1ec1u ch\u1ec9nh \u00e2m thanh c\u1ee7a TV<\/p>\n<p dir=\"ltr\">C. m\u00e0n h\u00ecnh TV dao \u0111\u1ed9ng \u00e2m thanh<\/p>\n<p dir=\"ltr\">D. Ng\u01b0\u1eddi n\u00f3i trong TV dao \u0111\u1ed9ng v\u1edbi \u00e2m thanh<\/p>\n<p dir=\"ltr\">C\u00e2u 3: Khi ch\u00fang ta nghe nh\u1ea1c t\u1eeb \u0111\u00e0i ph\u00e1t thanh, sau \u0111\u00f3:<\/p>\n<p dir=\"ltr\">A. Loa c\u1ee7a \u0111\u00e0i ph\u00e1t thanh b\u1ecb k\u00e9o d\u00e0i.<\/p>\n<p dir=\"ltr\">B. Loa c\u1ee7a \u0111\u00e0i ph\u00e1t thanh \u0111\u01b0\u1ee3c n\u00e9n.<\/p>\n<p dir=\"ltr\">C. Loa c\u1ee7a \u0111\u00e0i ph\u00e1t thanh \u0111\u01b0\u1ee3c dao \u0111\u1ed9ng<\/p>\n<p dir=\"ltr\">D. Loa c\u1ee7a \u0111\u00e0i ph\u00e1t thanh \u0111\u01b0\u1ee3c thay \u0111\u1ed5i<\/p>\n<p dir=\"ltr\">C\u00e2u 4: Khi nh\u1eefng ng\u01b0\u1eddi b\u1ea3o v\u1ec7 \u0111ang \u0111\u00e1nh tr\u1ed1ng, tai ch\u00fang t\u00f4i nghe th\u1ea5y ti\u1ebfng tr\u1ed1ng. \u0110i\u1ec1u g\u00ec ph\u00e1t ra \u00e2m thanh \u0111\u00f3?<\/p>\n<p dir=\"ltr\">A. B\u00e0n tay c\u1ee7a nh\u1eefng ng\u01b0\u1eddi b\u1ea3o v\u1ec7 \u0111\u1ec3 g\u00f5 tr\u1ed1ng<\/p>\n<p dir=\"ltr\">B. d\u00f9i tr\u1ed1ng<\/p>\n<p dir=\"ltr\">C. Khu\u00f4n m\u1eb7t tr\u1ed1ng<\/p>\n<p dir=\"ltr\">D. Kh\u00f4ng kh\u00ed xung quanh ngo\u1ea1i h\u00ecnh<\/p>\n<p dir=\"ltr\">C\u00e2u 5: Khi tr\u1eddi m\u01b0a, ch\u00fang ta th\u01b0\u1eddng nghe th\u1ea5y s\u1ea5m s\u00e9t. V\u1eady nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0o \u0111\u00e3 dao \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t ra s\u1ea5m s\u00e9t?<\/p>\n<p dir=\"ltr\">A. Nh\u1eefng \u0111\u00e1m m\u00e2y va ch\u1ea1m v\u1edbi nhau, v\u00ec v\u1eady ch\u00fang dao \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t ra s\u1ea5m s\u00e9t<\/p>\n<p dir=\"ltr\">B. Nh\u1eefng tia l\u1eeda kh\u1ed5ng l\u1ed3 dao \u0111\u1ed9ng g\u00e2y ra s\u1ea5m s\u00e9t<\/p>\n<p dir=\"ltr\">C. Kh\u00f4ng kh\u00ed xung quanh tia l\u1eeda \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ed9t ng\u1ed9t, khi\u1ebfn ch\u00fang dao \u0111\u1ed9ng g\u00e2y ra s\u1ea5m s\u00e9t<\/p>\n<p dir=\"ltr\">D. c\u1ea3 ba l\u00fd do \u1edf tr\u00ean<\/p>\n<p dir=\"ltr\">C\u00e2u 6: Khi nh\u1ea1c s\u0129 ch\u01a1i guitar, ch\u00fang t\u00f4i nghe nh\u1ea1c. V\u1eady ngu\u1ed3n \u00e2m thanh \u1edf \u0111\u00e2u?<\/p>\n<p dir=\"ltr\">A. Tay nh\u1ea5n chu\u1ed7i.<\/p>\n<p dir=\"ltr\">B. Chu\u1ed7i g\u1ea3y tay<\/p>\n<p dir=\"ltr\">C. H\u1ed9p.<\/p>\n<p dir=\"ltr\">D. Chu\u1ed7i.<\/p>\n<p dir=\"ltr\">C\u00e2u 7: Khi g\u00f5 v\u00e0o b\u00e0n, ch\u00fang t\u00f4i nghe th\u1ea5y \u00e2m thanh. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0o \u0111\u00e3 dao \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t ra \u00e2m thanh?<\/p>\n<p dir=\"ltr\">A. B\u1ec1 m\u1eb7t b\u00e0n dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">B. Lo\u1ea1i tay c\u1ee7a t\u00f4i trong b\u00e0n, v\u00ec v\u1eady b\u00e0n tay \u0111\u00e3 dao \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">C. C\u1ea3 hai b\u00e0n tay c\u1ee7a ch\u00fang t\u00f4i v\u00e0 b\u1ec1 m\u1eb7t b\u00e0n \u0111\u01b0\u1ee3c dao \u0111\u1ed9ng<\/p>\n<p dir=\"ltr\">D. L\u1edbp kh\u00f4ng kh\u00ed gi\u1eefa b\u00e0n tay c\u1ee7a ch\u00fang ta v\u00e0 b\u1ec1 m\u1eb7t b\u00e0n dao \u0111\u1ed9ng.<\/p>\n<p dir=\"ltr\">C\u00e2u 8: H\u1ed9p trong guitar, virus, mandolin, Lotus Micro &#8230; T\u00e1c d\u1ee5ng ch\u00ednh l\u00e0 g\u00ec?<\/p>\n<p dir=\"ltr\">A. \u0110\u1ec3 t\u1ea1o thi\u1ebft k\u1ebf cho guitar.<\/p>\n<p dir=\"ltr\">B. \u0110\u1ec3 khu\u1ebfch \u0111\u1ea1i \u00e2m thanh t\u1eeb chu\u1ed7i.<\/p>\n<p dir=\"ltr\">C. H\u00e3y \u0111\u1ec3 nh\u1ea1c s\u0129 c\u00f3 m\u1ed9t n\u01a1i khi ch\u01a1i guitar.<\/p>\n<p dir=\"ltr\">D. \u0111\u1ec3 c\u00e1c nh\u1ea1c s\u0129 v\u1ed7 v\u00e0o h\u1ed9p khi c\u1ea7n thi\u1ebft.<\/p>\n<p dir=\"ltr\">C\u00e2u 9: Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang cho ngu\u1ed3n \u00e2m thanh?<\/p>\n<p dir=\"ltr\">A. l\u00e0 nh\u1eefng th\u1ee9 l\u00e0m cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">B. l\u00e0 nh\u1eefng th\u1ee9 ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">C. C\u00f3 ph\u1ea3i \u00e2m thanh ph\u00e1t ra t\u1eeb \u00e2m thanh<\/p>\n<p dir=\"ltr\">D. c\u1ea3 3 c\u00e2u tr\u00ean \u0111\u1ec1u \u0111\u00fang<\/p>\n<p dir=\"ltr\">C\u00e2u 10: Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau, khi n\u00e0o \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh?<\/p>\n<p dir=\"ltr\">A. Khi k\u00e9o d\u00e0i<\/p>\n<p dir=\"ltr\">B. Khi u\u1ed1n cong v\u1eadt<\/p>\n<p dir=\"ltr\">C. Khi n\u00e9n \u0111\u1ed1i t\u01b0\u1ee3ng<\/p>\n<p dir=\"ltr\">D. Khi l\u00e0m b\u1ed9 dao \u0111\u1ed9ng<\/p>\n<p dir=\"ltr\">C\u00e2u 11: Vui l\u00f2ng ch\u1ecdn c\u00e2u sai:<\/p>\n<p dir=\"ltr\">A. Ngu\u1ed3n \u00e2m thanh l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh<\/p>\n<p dir=\"ltr\">B. Dao \u0111\u1ed9ng l\u00e0 \u0111\u1ed9ng l\u1ef1c qua l\u1ea1i \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng<\/p>\n<p dir=\"ltr\">C. M\u1ecdi th\u1ee9 \u0111\u1ec1u dao \u0111\u1ed9ng v\u1edbi \u00e2m thanh<\/p>\n<p dir=\"ltr\">D. Khi ph\u00e1t ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb dao \u0111\u1ed9ng<\/p>\n<p dir=\"ltr\">C\u00e2u 12: Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang khi \u00f4ng A th\u00ec th\u1ea7m v\u00e0o tai B, ph\u1ea7n n\u00e0o c\u1ee7a \u00e2m thanh?<\/p>\n<p dir=\"ltr\">A. m\u00e0ng nh\u0129 c\u1ee7a b\u1ea1n B<\/p>\n<p dir=\"ltr\">B. D\u00f2ng kh\u00ed qu\u1ea3n c\u1ee7a b\u1ea1n a<\/p>\n<p dir=\"ltr\">C. L\u1edbp kh\u00f4ng kh\u00ed gi\u1eefa hai b\u1ea1n<\/p>\n<p dir=\"ltr\">D. d\u00e2y \u00e2m thanh c\u1ee7a b\u1ea1n<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u1ed8T<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">Sau khi \u0111\u1ecdc b\u00e0i vi\u1ebft tr\u00ean, h\u1ecd c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t ngu\u1ed3n \u00e2m thanh v\u00e0 \u00e2m thanh. \u0110\u1ed3ng th\u1eddi, c\u0169ng hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n \u00e2m thanh? C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y!<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i vi\u1ebft tr\u01b0\u1edbc, h\u1ecd \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u v\u1ec1 \u00e2m thanh v\u00e0 nh\u1eefng \u0111i\u1ec1u th\u00fa v\u1ecb xung quanh h\u1ecd. H\u00f4m nay, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd ti\u1ebfp t\u1ee5c chia s\u1ebb v\u1edbi h\u1ecd m\u1ed9t b\u00e0i vi\u1ebft kh\u00e1c v\u1ec1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00e1t ra \u00e2m thanh, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-20850","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=20850"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20850\/revisions"}],"predecessor-version":[{"id":26178,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20850\/revisions\/26178"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}