Sử dụng kính hiển vi quang học

Home Lớp 6 Khoa học tự nhiên 6 - Sách kết nối tri thức Bài 4: Sử dụng kính hiển vi quang họcBài tập nâng cao

{"common":{"save":0,"post_id":"4883","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8922","post_id":"4883","mon_id":"1158149","chapter_id":"1158153","question":"Kính hi\u1ec3n vi quang h\u1ecdc có \u01b0u \u0111i\u1ec3m n\u1ed5i tr\u1ed9i gì h\u01a1n so v\u1edbi kính lúp?<\/p>","options":["A. <\/strong>Quan sát \u0111\u01b0\u1ee3c v\u1eadt l\u1edbn h\u01a1n<\/span><\/span>","B. <\/strong>Quan sát \u0111\u01b0\u1ee3c v\u1eadt bé nh\u1ecf h\u01a1n<\/span><\/span><\/span><\/span>","C. <\/strong>Quan sát \u0111\u01b0\u1ee3c nhanh h\u01a1n<\/span><\/span><\/span><\/span>"],"correct":"2","level":"3","hint":"","answer":"\u0110áp án \u0111úng là: B. <\/strong>Quan sát \u0111\u01b0\u1ee3c v\u1eadt bé nh\u1ecf h\u01a1n<\/span><\/p>Kính hi\u1ec3n vi quang h\u1ecdc trong phòng th\u1ef1c hành có \u0111\u1ed9 phóng to t\u1eeb 40 \u0111\u1ebfn 3000 l\u1ea7n.<\/p><\/span><\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"1","date":"2021-10-10 03:12:37","option_type":"txt","len":2},{"id":"8927","post_id":"4883","mon_id":"1158149","chapter_id":"1158153","question":"Ch\u1ecdn câu sai<\/strong> v\u1ec1 c\u1ea5u t\u1ea1o kính hi\u1ec3n vi quang h\u1ecdc ?<\/p>","options":["A. <\/strong>H\u1ec7 th\u1ed1ng giá \u0111\u1ee1 g\u1ed3m chân kính, thân kính, bàn kính, k\u1eb9p gi\u1eef m\u1eabu<\/span><\/span>","B.<\/strong> H\u1ec7 th\u1ed1ng chi\u1ebfu sáng g\u1ed3m \u0111èn chi\u1ebfu sáng, g\u01b0\u01a1ng, màn ch\u1eafn sáng<\/span><\/span>","C. <\/strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1ecbch chuy\u1ec3n c\u1ee7a \u1ed1ng kính g\u1ed3m v\u1eadt kính và th\u1ecb kính<\/span><\/span>","D.<\/strong> H\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1ecbch chuy\u1ec3n c\u1ee7a \u1ed1ng kình g\u1ed3m \u1ed1c to và \u1ed1c nh\u1ecf<\/span><\/span>"],"correct":"3","level":"3","hint":"","answer":"Câu sai<\/strong> v\u1ec1 c\u1ea5u t\u1ea1o kính hi\u1ec3n vi quang h\u1ecdc là: C. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1ecbch chuy\u1ec3n g\u1ed3m v\u1eadt kính và th\u1ecb kính<\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"1","date":"2021-10-10 03:17:48","option_type":"txt","len":3},{"id":"8931","post_id":"4883","mon_id":"1158149","chapter_id":"1158153","question":"N\u1ed1i c\u1ed9t trái v\u1edbi c\u1ed9t ph\u1ea3i<\/p>","options":[["Kính lúp có \u0111\u1ed9 phóng \u0111\u1ea1i","Kính hi\u1ec3n vi có \u0111\u1ed9 phóng \u0111\u1ea1i"],["t\u1eeb 40 \u0111\u1ebfn 3000 l\u1ea7n","t\u1eeb 3 \u0111\u1ebfn 20 l\u1ea7n"],["t\u1eeb 3 \u0111\u1ebfn 20 l\u1ea7n","t\u1eeb 40 \u0111\u1ebfn 3000 l\u1ea7n"]],"correct":[1,0],"level":"3","hint":"","answer":"\u0110áp án \u0111úng là:<\/p>Kính lúp có \u0111\u1ed9 phóng \u0111\u1ea1i<\/strong> t\u1eeb 3 \u0111\u1ebfn 20 l\u1ea7n<\/strong><\/span><\/p>Kính hi\u1ec3n vi có \u0111\u1ed9 phóng \u0111\u1ea1i<\/strong> t\u1eeb 40 \u0111\u1ebfn 3000 l\u1ea7n<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"139","test":"1","date":"2021-10-10 03:22:44"}]}