Ảnh của vật qua gương phẳng

Home Lớp 7 Khoa học tự nhiên 7 - Sách kết nối tri thức Bài 17: Ảnh của vật qua gương phẳngBài tập nâng cao

{"common":{"save":0,"post_id":"6339","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9973","post_id":"6339","mon_id":"1158739","chapter_id":"1158831","question":"M\u1ed9t ng\u01b0\u1eddi v\u0169 công t\u1eadp nh\u1ea3y tr\u01b0\u1edbc m\u1ed9t g\u01b0\u01a1ng ph\u1eb3ng. H\u1ecfi n\u1ebfu ng\u01b0\u1eddi \u0111ó di chuy\u1ec3n ra xa g\u01b0\u01a1ng m\u1ed9t kho\u1ea3ng 1,2 m thì \u1ea3nh c\u1ee7a ng\u01b0\u1eddi \u0111ó<\/p>","options":["A. l\u1ea1i g\u1ea7n g\u01b0\u01a1ng m\u1ed9t kho\u1ea3ng 1,2 m.","B. ra xa g\u01b0\u01a1ng m\u1ed9t kho\u1ea3ng 2,4 m.","C. l\u1ea1i g\u1ea7n ng\u01b0\u1eddi \u0111ó m\u1ed9t kho\u1ea3ng 1,2 m.","D. ra xa ng\u01b0\u1eddi \u0111ó m\u1ed9t kho\u1ea3ng 2,4 m."],"correct":"4","level":"3","hint":"Kho\u1ea3ng cách t\u1eeb \u1ea3nh \u0111\u1ebfn g\u01b0\u01a1ng ph\u1eb3ng b\u1eb1ng kho\u1ea3ng cách t\u1eeb v\u1eadt \u0111\u1ebfn g\u01b0\u01a1ng. <\/p>","answer":"Do kho\u1ea3ng cách gi\u1eefa ng\u01b0\u1eddi và g\u01b0\u01a1ng ra xa 1,2 m nên kho\u1ea3ng cách t\u1eeb \u1ea3nh \u0111\u1ebfn g\u01b0\u01a1ng ra xa 1,2 m. V\u1eady \u1ea3nh c\u1ee7a ng\u01b0\u1eddi \u0111ó ra xa ng\u01b0\u1eddi \u0111ó m\u1ed9t kho\u1ea3ng 2,4 m. \u0110áp án \u0111úng: D. ra xa ng\u01b0\u1eddi \u0111ó m\u1ed9t kho\u1ea3ng 2,4 m.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-10-24 15:07:32","option_type":"txt","len":2},{"id":"9974","post_id":"6339","mon_id":"1158739","chapter_id":"1158831","question":"M\u1ed9t ng\u01b0\u1eddi cao 1,6 m \u0111\u1ee9ng tr\u01b0\u1edbc g\u01b0\u01a1ng ph\u1eb3ng, cho \u1ea3nh cách g\u01b0\u01a1ng 1,5m. H\u1ecfi ng\u01b0\u1eddi \u0111ó cách g\u01b0\u01a1ng bao nhiêu?<\/p>","options":["A. 3 m.","B. 3,2 m.","C. 1,5 m.","D.1,6 m. \n "],"correct":"3","level":"3","hint":"\u1ea2nh và v\u1eadt \u0111\u1ed1i x\u1ee9ng nhau qua g\u01b0\u01a1ng ph\u1eb3ng nên kho\u1ea3ng cách t\u1eeb v\u1eadt \u0111\u1ebfn g\u01b0\u01a1ng b\u1eb1ng kho\u1ea3ng cách t\u1eeb \u1ea3nh \u0111\u1ebfn g\u01b0\u01a1ng. <\/p>","answer":"M\u1ed9t ng\u01b0\u1eddi \u0111\u1ee9ng tr\u01b0\u1edbc g\u01b0\u01a1ng ph\u1eb3ng cho \u1ea3nh cách g\u01b0\u01a1ng 1,5 m thì ng\u01b0\u1eddi \u0111ó c\u0169ng cách g\u01b0\u01a1ng 1,5 m. \u0110áp án \u0111úng: C. 1,5 m.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-10-24 15:09:58","option_type":"txt","len":0},{"id":"9975","post_id":"6339","mon_id":"1158739","chapter_id":"1158831","question":"M\u1ed9t v\u1eadt sáng AB \u0111\u1eb7t tr\u01b0\u1edbc g\u01b0\u01a1ng ph\u1eb3ng. Góc t\u1ea1o b\u1edfi v\u1eadt và m\u1eb7t g\u01b0\u01a1ng là $30^o$<\/span>. Góc t\u1ea1o b\u1edfi \u1ea3nh c\u1ee7a v\u1eadt và m\u1eb7t g\u01b0\u01a1ng là bao nhiêu?  <svg height=\"137\" width=\"259\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"139\" id=\"canvas_background\" width=\"261\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"137\" id=\"svg_1\" width=\"259\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["A. $30^o$<\/span>. ","B. $60^o$<\/span>.","C. $90^o$<\/span>. ","D. $15^o$<\/span>."],"correct":"1","level":"3","hint":"\u1ea2nh c\u1ee7a v\u1eadt t\u1ea1o b\u1edfi g\u01b0\u01a1ng ph\u1eb3ng: + Là \u1ea3nh \u1ea3o + Có kích th\u01b0\u1edbc b\u1eb1ng v\u1eadt + Kho\u1ea3ng cách t\u1eeb \u1ea3nh \u0111\u1ebfn g\u01b0\u01a1ng b\u1eb1ng kho\u1ea3ng cách t\u1eeb v\u1eadt \u0111\u1ebfn g\u01b0\u01a1ng. <\/p>","answer":" <svg height=\"184\" width=\"234\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"186\" id=\"canvas_background\" width=\"236\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"184\" id=\"svg_1\" width=\"234\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span> D\u1ef1ng \u1ea3nh A’B’ c\u1ee7a v\u1eadt AB t\u1ea1o b\u1edfi g\u01b0\u01a1ng ta th\u1ea5y \u1ea3nh h\u1ee3p v\u1edbi g\u01b0\u01a1ng m\u1ed9t góc $30^o$<\/span>. \u0110áp án \u0111úng: A. $30^o$<\/span>.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-10-24 15:17:06","option_type":"math","len":0}]}