{"segment":[{"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":"Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng? ","select":["A. B\u1ebfp ngu\u1ed9i \u0111i khi t\u1eaft l\u1eeda.","B. Xe d\u1eebng l\u1ea1i khi t\u1eaft m\u00e1y.","C. B\u00e0n l\u00e0 ngu\u1ed9i \u0111i khi t\u1eaft \u0111i\u1ec7n.","D. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o."],"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":3751},{"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":"Trong m\u00e1y \u0111i\u1ec7n, \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c bao gi\u1edd c\u0169ng c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n c\u01a1 n\u0103ng cung c\u1ea5p cho m\u00e1y. V\u00ec sao? ","select":["A. V\u00ec m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n n\u0103ng l\u1edbn h\u01a1n m\u1ed9t \u0111\u01a1n v\u1ecb c\u01a1 n\u0103ng.","B. V\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng \u0111\u00e3 bi\u1ebfn th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c ngo\u00e0i \u0111i\u1ec7n n\u0103ng.","C. V\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng \u0111\u00e3 t\u1ef1 bi\u1ebfn m\u1ea5t.","D. V\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng cao h\u01a1n ch\u1ea5t l\u01b0\u1ee3ng c\u01a1 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":1}]}],"id_ques":3752},{"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":"Trong c\u00e1c qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i t\u1eeb \u0111\u1ed9ng n\u0103ng sang th\u1ebf n\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ec1u g\u00ec lu\u00f4n x\u1ea3y ra v\u1edbi c\u01a1 n\u0103ng? ","select":["A. Lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n.","B. Lu\u00f4n t\u0103ng th\u00eam.","C. Lu\u00f4n b\u1ecb hao h\u1ee5t.","D. Khi th\u00ec t\u0103ng, khi th\u00ec gi\u1ea3m."],"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":3753},{"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":"Trong c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean th\u01b0\u1eddng c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed5i gi\u1eefa: ","select":["A. th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng","B. th\u1ebf n\u0103ng v\u00e0 c\u01a1 n\u0103ng","C. nhi\u1ec7t n\u0103ng v\u00e0 quang n\u0103ng","D. c\u01a1 n\u0103ng v\u00e0 \u0111\u1ed9ng 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":3754},{"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":"Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh ","select":["A. n\u1ed9i n\u0103ng","B. c\u01a1 n\u0103ng","C. nhi\u1ec7t n\u0103ng","D. \u0111\u1ed9ng n\u0103ng"],"hint":"","explain":"<span class='basic_left'>Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3755},{"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":"Trong m\u00e1y ph\u00e1t \u0111i\u1ec7n, \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c bao gi\u1edd c\u0169ng c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n c\u01a1 n\u0103ng cung c\u1ea5p cho m\u00e1y. V\u00ec sao? ","select":["A. V\u00ec m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n n\u0103ng l\u1edbn h\u01a1n m\u1ed9t \u0111\u01a1n v\u1ecb c\u01a1 n\u0103ng.","B. V\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng \u0111\u00e3 bi\u1ebfn th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c ngo\u00e0i \u0111i\u1ec7n n\u0103ng.","C. V\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng \u0111\u00e3 t\u1ef1 bi\u1ebfn m\u1ea5t.","D. V\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng cao h\u01a1n ch\u1ea5t l\u01b0\u1ee3ng c\u01a1 n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Trong m\u00e1y ph\u00e1t \u0111i\u1ec7n, \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c bao gi\u1edd c\u0169ng c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n c\u01a1 n\u0103ng cung c\u1ea5p cho m\u00e1y v\u00ec m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng \u0111\u00e3 bi\u1ebfn th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c ngo\u00e0i \u0111i\u1ec7n n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3756},{"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 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i t\u1eeb \u0111\u1ed9ng n\u0103ng sang th\u1ebf n\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, \u0111i\u1ec1u g\u00ec lu\u00f4n x\u1ea3y ra v\u1edbi c\u01a1 n\u0103ng? ","select":["A. Lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n","B. Lu\u00f4n t\u0103ng th\u00eam","C. Lu\u00f4n b\u1ecb hao h\u1ee5t","D. Khi th\u00ec t\u0103ng, khi th\u00ec gi\u1ea3m"],"hint":"","explain":"<span class='basic_left'>Trong c\u00e1c qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i t\u1eeb \u0111\u1ed9ng n\u0103ng sang th\u1ebf n\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, c\u01a1 n\u0103ng lu\u00f4n b\u1ecb hao h\u1ee5t. Ch\u1ec9 khi b\u1ecf qua s\u1ef1 m\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng th\u00e0nh c\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c th\u00ec c\u01a1 n\u0103ng m\u1edbi \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3757},{"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":"Hi\u1ec7u su\u1ea5t pin m\u1eb7t tr\u1eddi l\u00e0 10%. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a n\u1ebfu pin nh\u1eadn \u0111\u01b0\u1ee3c ","select":["A. \u0111i\u1ec7n n\u0103ng l\u00e0 100J th\u00ec s\u1ebd t\u1ea1o ra quang n\u0103ng l\u00e0 10J.","B. n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 100J th\u00ec s\u1ebd t\u1ea1o ra \u0111i\u1ec7n n\u0103ng l\u00e0 10J.","C. \u0111i\u1ec7n n\u0103ng l\u00e0 10J th\u00ec s\u1ebd t\u1ea1o ra quang n\u0103ng l\u00e0 100J.","D. n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 10J th\u00ec s\u1ebd t\u1ea1o ra \u0111i\u1ec7n n\u0103ng l\u00e0 100J."],"hint":"","explain":"<span class='basic_left'>Pin m\u1eb7t tr\u1eddi ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed5i t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi sang \u0111i\u1ec7n n\u0103ng. <br\/>Hi\u1ec7u su\u1ea5t pin m\u1eb7t tr\u1eddi l\u00e0 10% ngh\u0129a l\u00e0 n\u1ebfu pin nh\u1eadn \u0111\u01b0\u1ee3c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 100J th\u00ec s\u1ebd t\u1ea1o ra \u0111i\u1ec7n n\u0103ng l\u00e0 10J.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3758},{"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":"N\u00f3i hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n l\u00e0 97%. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 97% \u0111i\u1ec7n n\u0103ng \u0111\u00e3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh ","select":["A. c\u01a1 n\u0103ng","B. nhi\u1ec7t n\u0103ng","C. c\u01a1 n\u0103ng v\u00e0 nhi\u1ec7t n\u0103ng","D. c\u01a1 n\u0103ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng kh\u00e1c"],"hint":"","explain":"<span class='basic_left'>N\u00f3i hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n l\u00e0 97%. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 97% \u0111i\u1ec7n n\u0103ng \u0111\u00e3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3759},{"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":"Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng: ","select":["A. B\u1ebfp ngu\u1ed9i \u0111i khi t\u1eaft l\u1eeda.","B. Xe d\u1eebng l\u1ea1i khi t\u1eaft m\u00e1y.","C. B\u00e0n l\u00e0 ngu\u1ed9i \u0111i khi t\u1eaft \u0111i\u1ec7n.","D. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o."],"hint":"","explain":"<span class='basic_left'>N\u0103ng l\u01b0\u1ee3ng kh\u00f4ng t\u1ef1 sinh ra ho\u1eb7c t\u1ef1 m\u1ea5t \u0111i m\u00e0 ch\u1ec9 chuy\u1ec3n t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c ho\u1eb7c truy\u1ec1n t\u1eeb v\u1eadt n\u00e0y sang v\u1eadt kh\u00e1c. <br\/>Trong t\u1ea5t c\u1ea3 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng tr\u00ean \u0111\u1ec1u c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c v\u00e0 khi b\u1ecf qua s\u1ef1 m\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng th\u00e0nh c\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c th\u00ec c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n <br\/>\u21d2 Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3760},{"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":"Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb ","select":["A. \u0111i\u1ec7n n\u0103ng th\u00e0nh nhi\u1ec7t n\u0103ng.","B. \u0111i\u1ec7n n\u0103ng th\u00e0nh c\u01a1 n\u0103ng va\u0300 nhi\u00ea\u0323t n\u0103ng.","C. nhi\u1ec7t n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng va\u0300 c\u01a1 n\u0103ng.","D. c\u01a1 n\u0103ng th\u00e0nh \u0111i\u1ec7n 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":3761},{"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":"Tha\u0309 m\u00f4\u0323t qua\u0309 bo\u0301ng ba\u0300n r\u01a1i t\u01b0\u0300 m\u00f4\u0323t \u0111\u00f4\u0323 cao nh\u00e2\u0301t \u0111i\u0323nh, sau khi cha\u0323m \u0111\u00e2\u0301t qua\u0309 bo\u0301ng kh\u00f4ng na\u0309y l\u00ean \u0111\u00ea\u0301n \u0111\u00f4\u0323 cao ban \u0111\u00e2\u0300u vi\u0300 ","select":["A. qua\u0309 bo\u0301ng bi\u0323 tra\u0301i \u0111\u00e2\u0301t hu\u0301t.","B. qua\u0309 bo\u0301ng \u0111a\u0303 th\u01b0\u0323c hi\u00ea\u0323n 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\u00f4\u0323t ph\u00e2\u0300n c\u01a1 n\u0103ng chuy\u00ea\u0309n ho\u0301a tha\u0300nh nhi\u00ea\u0323t n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3762},{"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\u00f4\u0323t \u00f4 t\u00f4 \u0111ang cha\u0323y thi\u0300 \u0111\u00f4\u0323t ng\u00f4\u0323t t\u0103\u0301t ma\u0301y, xe cha\u0323y th\u00eam m\u00f4\u0323t \u0111oa\u0323n r\u00f4\u0300i m\u01a1\u0301i d\u01b0\u0300ng h\u0103\u0309n la\u0300 do ","select":["A. th\u00ea\u0301 n\u0103ng xe lu\u00f4n gia\u0309m d\u00e2\u0300n.","B. \u0111\u00f4\u0323ng n\u0103ng xe lu\u00f4n gia\u0309m d\u00e2\u0300n.","C. \u0111\u00f4\u0323ng n\u0103ng xe \u0111a\u0303 chuy\u00ea\u0309n ho\u0301a tha\u0300nh da\u0323ng n\u0103ng l\u01b0\u01a1\u0323ng kha\u0301c do ma sa\u0301t.","D. \u0111\u00f4\u0323ng n\u0103ng xe \u0111a\u0303 chuy\u00ea\u0309n ho\u0301a tha\u0300nh th\u1ebf 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":1}]}],"id_ques":3763},{"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":"N\u00f4\u0323i dung na\u0300o sau \u0111\u00e2y th\u00ea\u0309 hi\u00ea\u0323n \u0111\u00e2\u0300y \u0111u\u0309 \u0111i\u0323nh lu\u00e2\u0323t ba\u0309o toa\u0300n n\u0103ng l\u01b0\u01a1\u0323ng? ","select":["A. N\u0103ng l\u01b0\u01a1\u0323ng kh\u00f4ng t\u01b0\u0323 sinh ra ma\u0300 chi\u0309 bi\u00ea\u0301n \u0111\u00f4\u0309i t\u01b0\u0300 da\u0323ng na\u0300y sang da\u0323ng kha\u0301c.","B. N\u0103ng l\u01b0\u01a1\u0323ng kh\u00f4ng t\u01b0\u0323 m\u00e2\u0301t \u0111i ma\u0300 chi\u0309 bi\u00ea\u0301n \u0111\u00f4\u0309i t\u01b0\u0300 da\u0323ng na\u0300y sang da\u0323ng kha\u0301c.","C. Mu\u00f4\u0301n thu \u0111\u01b0\u01a1\u0323c m\u00f4\u0323t da\u0323ng n\u0103ng l\u01b0\u01a1\u0323ng na\u0300y thi\u0300 pha\u0309i ti\u00eau hao m\u00f4\u0323t da\u0323ng n\u0103ng l\u01b0\u01a1\u0323ng kha\u0301c.","D. Mu\u00f4\u0301n thu \u0111\u01b0\u01a1\u0323c m\u00f4\u0323t da\u0323ng n\u0103ng l\u01b0\u01a1\u0323ng na\u0300y thi\u0300 pha\u0309i ti\u00eau hao m\u00f4\u0323t hay nhi\u00ea\u0300u da\u0323ng n\u0103ng l\u01b0\u01a1\u0323ng kha\u0301c."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3764},{"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":"Hi\u00ea\u0323u su\u00e2\u0301t pin m\u0103\u0323t tr\u01a1\u0300i la\u0300 10%. \u0110i\u00ea\u0300u na\u0300y co\u0301 nghi\u0303a: N\u00ea\u0301u pin nh\u00e2\u0323n \u0111\u01b0\u01a1\u0323c. ","select":["A. \u0111i\u00ea\u0323n n\u0103ng la\u0300 100J thi\u0300 se\u0303 ta\u0323o ra quang n\u0103ng la\u0300 10J.","B. n\u0103ng l\u01b0\u01a1\u0323ng m\u0103\u0323t tr\u01a1\u0300i la\u0300 100J thi\u0300 se\u0303 ta\u0323o ra \u0111i\u00ea\u0323n n\u0103ng la\u0300 10J. ","C. \u0111i\u00ea\u0323n n\u0103ng la\u0300 10J thi\u0300 se\u0303 ta\u0323o ra quang n\u0103ng la\u0300 100J.","D. n\u0103ng l\u01b0\u01a1\u0323ng m\u0103\u0323t tr\u01a1\u0300i la\u0300 10J thi\u0300 se\u0303 ta\u0323o ra \u0111i\u00ea\u0323n n\u0103ng la\u0300 100J. "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3765},{"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":"No\u0301i hi\u00ea\u0323u su\u00e2\u0301t \u0111\u00f4\u0323ng c\u01a1 \u0111i\u00ea\u0323n la\u0300 97%. \u0110i\u00ea\u0300u na\u0300y co\u0301 nghi\u0303a la\u0300 97% \u0111i\u00ea\u0323n n\u0103ng \u0111a\u0303 s\u01b0\u0309 du\u0323ng \u0111\u01b0\u01a1\u0323c chuy\u00ea\u0309n ho\u0301a tha\u0300nh ","select":["A. c\u01a1 n\u0103ng.","B. nhi\u00ea\u0323t n\u0103ng.","C. c\u01a1 n\u0103ng va\u0300 nhi\u00ea\u0323t n\u0103ng.","D. c\u01a1 n\u0103ng va\u0300 n\u0103ng l\u01b0\u01a1\u0323ng kha\u0301c."],"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":3766},{"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":"M\u00f4\u0323t qua\u0309 bo\u0301ng \u0111\u01b0\u01a1\u0323c tha\u0309 r\u01a1i t\u01b0\u0300 \u0111\u00f4\u0323 cao 5m ca\u0301ch m\u0103\u0323t \u0111\u00e2\u0301t. Sau l\u00e2\u0300n cha\u0323m \u0111\u00e2\u0301t th\u01b0\u0301 nh\u00e2\u0301t qua\u0309 bo\u0301ng m\u00e2\u0301t $\\dfrac{1}{5}$ . c\u01a1 n\u0103ng ma\u0300 no\u0301 \u0111a\u0303 co\u0301 \u0111\u01b0\u01a1\u0323c tr\u01b0\u01a1\u0301c khi cha\u0323m \u0111\u00e2\u0301t. V\u00e2\u0323y sau l\u00e2\u0300n cha\u0323m \u0111\u00e2\u0301t na\u0300y qua\u0309 bo\u0301ng na\u0309y l\u00ean \u0111\u01b0\u01a1\u0323c \u0111\u00f4\u0323 cao ","select":["A. 1m.","B. 2,5m.","C. 3m.","D. 4m. "],"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":3767},{"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\u00f4\u0323t qua\u0309 c\u00e2\u0300u co\u0301 kh\u00f4\u0301i l\u01b0\u01a1\u0323ng 0,5 kg \u0111\u01b0\u01a1\u0323c tha\u0309 r\u01a1i t\u01b0\u0300 \u0111\u00f4\u0323 cao 5m ca\u0301ch m\u0103\u0323t sa\u0300n. Sau l\u00e2\u0300n cha\u0323m sa\u0300n qua\u0309 c\u00e2\u0300u na\u0309y l\u00ean \u0111\u01b0\u01a1\u0323c \u0111\u00f4\u0323 cao 3m. Ph\u00e2\u0300n n\u0103ng l\u01b0\u01a1\u0323ng bi\u00ea\u0301n \u0111\u00f4\u0309i tha\u0300nh nhi\u00ea\u0323t n\u0103ng co\u0301 gia\u0301 tri\u0323 ","select":["A. 1J.","B. 10J. ","C. 1,5J.","D. 15J. "],"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":3768},{"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":"Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh ","select":["A. \u0110i\u1ec7n n\u0103ng","B. H\u00f3a n\u0103ng","C. Quang n\u0103ng","D. C\u01a1 n\u0103ng"],"hint":"","explain":"<span class='basic_left'>Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh c\u01a1 n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3769},{"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":"N\u00e9m m\u1ed9t v\u1eadt l\u00ean cao theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng, c\u00f3 s\u1ef1 chuy\u1ec3n ho\u00e1 t\u1eeb \u0111\u1ed9ng n\u0103ng sang th\u1ebf n\u0103ng khi v\u00e2\u0323t \u0111ang ","select":["A. \u0111i l\u00ean. ","B. \u0111i xu\u1ed1ng.","C. \u0111i l\u00ean v\u00e0 \u0111i xu\u1ed1ng.","D. ch\u1ea1m \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":3770}],"lesson":{"save":0,"level":2}}