{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Bi\u1ec3u hi\u1ec7n n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a nhi\u1ec7t n\u0103ng? ","select":["A. L\u00e0m cho v\u1eadt n\u00f3ng l\u00ean.","B. Truy\u1ec1n \u00e2m \u0111\u01b0\u1ee3c.","C. Ph\u1ea3n chi\u1ebfu \u0111\u01b0\u1ee3c \u00e1nh s\u00e1ng.","D. L\u00e0m cho v\u1eadt chuy\u1ec3n \u0111\u1ed9ng."],"hint":"","explain":"<span class='basic_left'>Bi\u1ec3u hi\u1ec7n c\u1ee7a nhi\u1ec7t n\u0103ng: L\u00e0m cho v\u1eadt n\u00f3ng l\u00ean<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3731},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ng\u00e2m m\u1ed9t d\u00e2y \u0111i\u1ec7n tr\u1edf v\u00e0o m\u1ed9t b\u00ecnh c\u00e1ch nhi\u1ec7t \u0111\u1ef1ng 2 l\u00edt n\u01b0\u1edbc.. Cho d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua d\u00e2y n\u00e0y trong m\u1ed9t th\u1eddi gian, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc trong b\u00ecnh t\u0103ng t\u1eeb $20{}^\\circ C$ . l\u00ean $80{}^\\circ C$ T\u00ednh ph\u1ea7n \u0111i\u1ec7n n\u0103ng m\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 truy\u1ec1n cho n\u01b0\u1edbc. Cho nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbc l\u00e0 4 200J\/kg.K. ","select":["A. 404 000 (J)","B. 504 000 (J)","C. 554 000 (J)","D. 644 000 (J)"],"hint":"","explain":"<span class='basic_left'>Nhi\u1ec7t n\u0103ng m\u00e0 n\u01b0\u1edbc nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u00e0m n\u00f3ng t\u1eeb $20{}^\\circ C$ l\u00ean $80{}^\\circ C$ l\u00e0: <br\/>$Q=m\\times c\\times \\Delta t=2\\times 4200\\times (80-20)=504000J$. <br\/>Ph\u1ea7n \u0111i\u1ec7n n\u0103ng m\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 truy\u1ec1n cho n\u01b0\u1edbc ch\u00ednh b\u1eb1ng nhi\u1ec7t n\u0103ng m\u00e0 n\u01b0\u1edbc c\u1ea7n nh\u1eadn \u0111\u1ec3 l\u00e0m n\u00f3ng t\u1eeb $20{}^\\circ C$ l\u00ean $80{}^\\circ C$, c\u00f3 ngh\u0129a l\u00e0 ph\u1ea7n \u0111i\u1ec7n n\u0103ng m\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 truy\u1ec1n cho n\u01b0\u1edbc b\u1eb1ng 504000 J.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3732},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Tr\u01b0\u1eddng h\u1ee3p n\u00e0o v\u1eadt c\u00f3 c\u01a1 n\u0103ng (n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc), n\u1ebfu l\u1ea5y m\u1eb7t \u0111\u1ea5t l\u00e0m m\u1ed1c. ","select":["A. T\u1ea3ng \u0111\u00e1 n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t ","B. T\u1ea3ng \u0111\u00e1 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t.","C. Chi\u1ebfc thuy\u1ec1n ch\u1ea1y tr\u00ean m\u1eb7t n\u01b0\u1edbc.","D. Em h\u1ecdc sinh \u0111ang ng\u1ed3i h\u1ecdc b\u00e0i"],"hint":"","explain":"<span class='basic_left'>Tr\u01b0\u1eddng h\u1ee3p v\u1eadt c\u00f3 c\u01a1 n\u0103ng (n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc) l\u00e0: T\u1ea3ng \u0111\u00e1 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3733},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Ta nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t v\u1eadt c\u00f3 n\u0103ng l\u01b0\u1ee3ng khi v\u1eadt \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng... ","select":["A. th\u1ef1c hi\u1ec7n c\u00f4ng","B. l\u00e0m n\u00f3ng c\u00e1c v\u1eadt kh\u00e1c","C. A v\u00e0 B \u0111\u1ec1u \u0111\u00fang","D. A v\u00e0 B \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>Ta nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t v\u1eadt c\u00f3 n\u0103ng l\u01b0\u1ee3ng khi v\u1eadt \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00f4ng (c\u01a1 n\u0103ng) hay l\u00e0m n\u00f3ng c\u00e1c v\u1eadt kh\u00e1c (nhi\u1ec7t n\u0103ng).<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3734},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Ta nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c h\u00f3a n\u0103ng, \u0111i\u1ec7n n\u0103ng, quang n\u0103ng khi n\u00e0o ? ","select":["A. chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng hay nhi\u1ec7t n\u0103ng.","B. chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9ng n\u0103ng hay th\u1ebf n\u0103ng.","C. chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng hay n\u1ed9i n\u0103ng.","D. chuy\u1ec3n h\u00f3a th\u00e0nh h\u00f3a n\u0103ng hay quang n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Ta nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c h\u00f3a n\u0103ng, \u0111i\u1ec7n n\u0103ng, quang n\u0103ng khi ch\u00fang chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng hay nhi\u1ec7t n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3735},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"C\u00f3 m\u1ea5y d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng? ","select":["A. 2","B. 4","C. 6","D. 8"],"hint":"","explain":"<span class='basic_left'>C\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng: c\u01a1 n\u0103ng, nhi\u1ec7t n\u0103ng, \u0111i\u1ec7n n\u0103ng, h\u00f3a n\u0103ng, quang n\u0103ng, n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3736},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Tr\u01b0\u1eddng h\u1ee3p n\u00e0o d\u01b0\u1edbi \u0111\u00e2y v\u1eadt kh\u00f4ng c\u00f3 n\u0103ng l\u01b0\u1ee3ng? ","select":["A. T\u1ea3ng \u0111\u00e1 n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t.","B. T\u1ea3ng \u0111\u00e1 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t.","C. Chi\u1ebfc thuy\u1ec1n ch\u1ea1y tr\u00ean m\u1eb7t n\u01b0\u1edbc.","D. Vi\u00ean ph\u1ea5n r\u01a1i t\u1eeb tr\u00ean b\u00e0n xu\u1ed1ng"],"hint":"","explain":"<span class='basic_left'>T\u1ea3ng \u0111\u00e1 n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng c\u00f3 n\u0103ng l\u01b0\u1ee3ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3737},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ta c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng nh\u01b0 h\u00f3a n\u0103ng, quang n\u0103ng, \u0111i\u1ec7n n\u0103ng khi ch\u00fang \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh ","select":["A. C\u01a1 n\u0103ng","B. Nhi\u1ec7t n\u0103ng","C. N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n","D. A ho\u1eb7c B"],"hint":"","explain":"<span class='basic_left'>\u0110i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh nhi\u1ec7t n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3738},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Th\u1ea3 m\u1ed9t qu\u1ea3 b\u00f3ng b\u00e0n r\u01a1i t\u1eeb m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh, sau khi ch\u1ea1m \u0111\u1ea5t qu\u1ea3 b\u00f3ng kh\u00f4ng n\u1ea3y l\u00ean \u0111\u1ebfn \u0111\u1ed9 cao ban \u0111\u1ea7u v\u00ec ","select":["A. qu\u1ea3 b\u00f3ng b\u1ecb Tr\u00e1i \u0110\u1ea5t h\u00fat.","B. qu\u1ea3 b\u00f3ng \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00f4ng.","C. th\u1ebf n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng \u0111\u00e3 chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng.","D. m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh nhi\u1ec7t n\u0103ng do ma s\u00e1t v\u1edbi m\u1eb7t \u0111\u1ea5t v\u00e0 kh\u00f4ng kh\u00ed."],"hint":"","explain":"<span class='basic_left'>Th\u1ea3 m\u1ed9t qu\u1ea3 b\u00f3ng b\u00e0n r\u01a1i t\u1eeb m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh, sau khi ch\u1ea1m \u0111\u1ea5t qu\u1ea3 b\u00f3ng kh\u00f4ng n\u1ea3y l\u00ean \u0111\u1ebfn \u0111\u1ed9 cao ban \u0111\u1ea7u v\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh nhi\u1ec7t n\u0103ng do ma s\u00e1t v\u1edbi m\u1eb7t \u0111\u1ea5t v\u00e0 kh\u00f4ng kh\u00ed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3739},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t \u00f4 t\u00f4 \u0111ang ch\u1ea1y th\u00ec \u0111\u1ed9t ng\u1ed9t t\u1eaft m\u00e1y, xe ch\u1ea1y th\u00eam m\u1ed9t \u0111o\u1ea1n r\u1ed3i m\u1edbi d\u1eebng h\u1eb3n l\u00e0 do ","select":["A. th\u1ebf n\u0103ng xe lu\u00f4n gi\u1ea3m d\u1ea7n","B. \u0111\u1ed9ng n\u0103ng xe lu\u00f4n gi\u1ea3m d\u1ea7n","C. \u0111\u1ed9ng n\u0103ng xe \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c do ma s\u00e1t. ","D. \u0111\u1ed9ng n\u0103ng xe \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh th\u1ebf n\u0103ng"],"hint":"","explain":"<span class='basic_left'>M\u1ed9t \u00f4 t\u00f4 \u0111ang ch\u1ea1y th\u00ec \u0111\u1ed9t ng\u1ed9t t\u1eaft m\u00e1y, xe ch\u1ea1y th\u00eam m\u1ed9t \u0111o\u1ea1n r\u1ed3i m\u1edbi d\u1eebng h\u1eb3n l\u00e0 do \u0111\u1ed9ng n\u0103ng xe \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c do ma s\u00e1t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3740},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a nhi\u1ec7t n\u0103ng?","select":["A. l\u00e0m cho v\u1eadt n\u00f3ng l\u00ean","B. truy\u1ec1n \u0111\u01b0\u1ee3c \u00e2m","C. ph\u1ea3n chi\u1ebfu \u0111\u01b0\u1ee3c \u00e1nh s\u00e1ng","D. l\u00e0m cho v\u1eadt chuy\u1ec3n \u0111\u1ed9ng"],"hint":"","explain":"<span class='basic_left'>Bi\u1ec3u hi\u1ec7n c\u1ee7a nhi\u1ec7t n\u0103ng l\u00e0 l\u00e0m cho v\u1eadt n\u00f3ng l\u00ean<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3741},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ta nh\u1eadn bi\u1ebft tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c m\u1ed9t v\u1eadt c\u00f3 nhi\u1ec7t n\u0103ng khi n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng n\u00e0o? ","select":["A. L\u00e0m t\u0103ng th\u1ec3 t\u00edch v\u1eadt kh\u00e1c.","B. L\u00e0m n\u00f3ng m\u1ed9t v\u1eadt kh\u00e1c.","C. Sinh ra l\u1ef1c \u0111\u1ea9y l\u00e0m v\u1eadt kh\u00e1c chuy\u1ec3n \u0111\u1ed9ng.","D. N\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc."],"hint":"","explain":"<span class='basic_left'>Ta nh\u1eadn bi\u1ebft tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c m\u1ed9t v\u1eadt c\u00f3 nhi\u1ec7t n\u0103ng khi n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng m\u1ed9t v\u1eadt kh\u00e1c<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3742},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u00e1y s\u1ea5y t\u00f3c \u0111ang ho\u1ea1t \u0111\u1ed9ng, \u0111\u00e3 c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed5i ","select":["A. \u0111i\u1ec7n n\u0103ng th\u00e0nh c\u01a1 n\u0103ng v\u00e0 quang n\u0103ng.","B. \u0111i\u1ec7n n\u0103ng th\u00e0nh quang n\u0103ng v\u00e0 nhi\u1ec7t n\u0103ng.","C. \u0111i\u1ec7n n\u0103ng th\u00e0nh nhi\u1ec7t n\u0103ng v\u00e0 c\u01a1 n\u0103ng.","D. \u0111i\u1ec7n n\u0103ng th\u00e0nh h\u00f3a n\u0103ng v\u00e0 quang n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3743},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" M\u00e1y qu\u1ea1t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb ","select":["A. \u0111i\u1ec7n n\u0103ng sang c\u01a1 n\u0103ng.","B. quang n\u0103ng sang c\u01a1 n\u0103ng.","C. nhi\u1ec7t n\u0103ng sang \u0111i\u1ec7n n\u0103ng.","D. h\u00f3a n\u0103ng sang \u0111i\u1ec7n n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3744},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Thi\u1ebft b\u1ecb chuy\u1ec3n h\u00f3a n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng l\u00e0 ","select":["A. \u0111inam\u00f4 xe \u0111\u1ea1p.","B. \u1eafc quy.","C. pin m\u1eb7t tr\u1eddi.","D. m\u00e1y ph\u00e1t \u0111i\u1ec7n m\u1ed9t chi\u1ec1u."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3745},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Nh\u1eefng \u0111\u01a1n v\u1ecb \u0111o n\u0103ng l\u01b0\u1ee3ng l\u00e0 ","select":["A. kB, kg, kW.","B. km, kg, kN.","C. kW, kA, kV.","D. kJ, kWh, Kcal."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3746},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Qu\u1ea3 b\u00f3ng kh\u00f4ng c\u00f3 c\u01a1 n\u0103ng trong tr\u01b0\u1eddng h\u1ee3p ","select":["A. qu\u1ea3 b\u00f3ng \u0111ang n\u1eb1m y\u00ean tr\u00ean s\u00e2n.","B. qu\u1ea3 b\u00f3ng \u0111ang l\u0103n tr\u00ean s\u00e2n nhanh d\u1ea7n.","C. qu\u1ea3 b\u00f3ng \u0111ang l\u0103n tr\u00ean s\u00e2n ch\u1eadm d\u1ea7n.","D. qu\u1ea3 b\u00f3ng \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3747},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n sau, thi\u1ebft b\u1ecb ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng d\u01b0\u1edbi d\u1ea1ng hao ph\u00ed l\u00e0 ","select":["A. b\u00f3ng \u0111\u00e8n \u0111i\u1ec7n d\u00e2y t\u00f3c.","B. \u1ea5m \u0111un n\u01b0\u1edbc b\u1eb1ng \u0111i\u1ec7n.","C. m\u00e1y bi\u1ebfn \u00e1p.","D. n\u1ed3i c\u01a1m \u0111i\u1ec7n."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3748},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"M\u00e1y ph\u00e1t \u0111i\u1ec7n s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb : ","select":["A. \u0111i\u1ec7n n\u0103ng, c\u01a1 n\u0103ng, quang n\u0103ng.","B. nhi\u1ec7t n\u0103ng, c\u01a1 n\u0103ng, \u0111i\u1ec7n n\u0103ng.","C. c\u01a1 n\u0103ng, h\u00f3a n\u0103ng, quang n\u0103ng.","D. \u0111i\u1ec7n n\u0103ng, h\u00f3a n\u0103ng, quang n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3749},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"B\u1eb1ng c\u00e1c gi\u00e1c quan, c\u0103n c\u1ee9 v\u00e0o \u0111\u00e2u m\u00e0 ta nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t v\u1eadt c\u00f3 nhi\u1ec7t n\u0103ng? ","select":["A. C\u00f3 th\u1ec3 k\u00e9o, \u0111\u1ea9y c\u00e1c v\u1eadt","B. C\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng v\u1eadt kh\u00e1c.","C. C\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00e1c v\u1eadt.","D. C\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u00e1c v\u1eadt kh\u00e1c."],"hint":"","explain":"<span class='basic_left'> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3750}],"lesson":{"save":0,"level":2}}