中学生网络课堂本课配套习题挑战模式1/5
| A: 幻灯机 |
| B: 潜望镜 |
| C: 放大镜 |
| D: 照相机 |
- 提示1：IOW5s+mdoumVnOW6lOeUqO+8mua9nOacm+mVnOaYr+WcqOebtOinkuaLkOW8r+WkhO+8jOWuieijheS6huW5s+mdoumVnO+8jOW5s+mdoumVnOi1t+aUueWPmOWFieeahOS8oOaSrei3r+W+hOeahOS9nOeUqA==
- 提示2：IOWHuOmAj+mVnOaIkOWDj+eahOS4ieenjeaDheWGte+8jOWPr+S7peW6lOeUqOS6jueFp+ebuOacuuOAgeaRhOWDj+acuuOAgeW5u+eBr+acuuOAgeaKleW9seS7quWSjOaUvuWkp+mVnA==
- 答案：QSxDLEQ=
PGRpdj7mvZzmnJvplZzmmK/lnKjnm7Top5Lmi5DlvK/lpITvvIzlronoo4XkuoblubPpnaLplZzvvIzlubPpnaLplZzotbfmlLnlj5jlhYnnmoTkvKDmkq3ot6/lvoTnmoTkvZznlKjvvIzliJlC5LiN56ym5ZCI6aKY5oSP77yb5Ye46YCP6ZWc5oiQ5YOP5Y+v5Lul5bqU55So5LqO54Wn55u45py644CB5pGE5YOP5py644CB5bm754Gv5py644CB5oqV5b2x5Luq5ZKM5pS+5aSn6ZWc77yM5omA5Lul6YCJ5oupQUNE44CCPC9kaXY+
本课配套习题挑战模式2/5
| A: 光心 |
| B: 焦点 |
| C: 二倍焦距点 |
| D: 根本没有 |
- 提示1：IOS4gOWAjeeEpui3neWIhuiZmuWunu+8jOWcqOWHuOmAj+mVnOS4gOWAjeeEpui3neS7peWGheaIkOiZmuWDj++8jOS4gOWAjeeEpui3neS7peWkluaIkOWunuWDjw==
- 答案：Qg==
PGRpdj7kuIDlgI3nhKbot53liIbomZrlrp7vvIzlnKjlh7jpgI/plZzkuIDlgI3nhKbot53ku6XlhoXmiJDomZrlg4/vvIzkuIDlgI3nhKbot53ku6XlpJbmiJDlrp7lg4/vvIzmiYDku6Xlh7jpgI/plZzmiJDlrp7lg4/lkozomZrlg4/nmoTovazmipjngrnmmK/nhKbngrnvvIzliJnpgInmi6lC6YCJ6aG544CCPC9kaXY+
本课配套习题挑战模式3/5
| A: 虚像一定是放大的，实像一定是缩小的 |
| B: 虚像一定是正立的，实像一定是倒立的 |
| C: 实像和虚像一定可以用光屏接收到 |
| D: 以上说法都不对 |
- 提示1：IOWHuOmAj+mVnOaIkOWDj+aXtu+8jOiZmuWDj+S4gOWumuaYr+aUvuWkp+eahO+8jOWunuWDj+WPr+S7peaYr+aUvuWkp+eahO+8jOWPr+S7peaYr+etieWkp+eahOOAgeWPr+S7peaYr+e8qeWwj+eahA==
- 提示2：IOWHuOmAj+mVnOaIkOWDj+aXtu+8jOWunuWDj+S4gOWumuaYr+WAkueri+eahO+8jOiZmuWDj+S4gOWumueahOato+eri+eahA==
- 提示3：IOWunuWDj+WPr+S7peeUqOWFieWxj+aJv+aOpe+8jOiZmuWDj+S4jeiDveeUqOWFieWxj+aJv+aOpQ==
- 答案：Qg==
PGRpdj7lh7jpgI/plZzmiJDlg4/ml7bvvIzomZrlg4/kuIDlrprmmK/mraPnq4vnmoTmlL7lpKfnmoTvvIzlrp7lg4/kuIDlrprmmK/lgJLnq4vnmoTkvYbmmK/lj6/ku6XmmK/mlL7lpKfjgIHnrYnlpKfjgIHnvKnlsI/nmoTvvJs8L2Rpdj4=
本课配套习题挑战模式4/5
凸透镜成像的应用有（ ）
| A: 汽车的观后镜 |
| B: 近视眼镜 |
| C: 照相机 |
| D: 老花镜 |
- 提示1：PHA+5Ye46YCP6ZWc5oiQ5YOP55qE6KeE5b6L77ya5b2Tde+8njJmIOaXtu+8jOaIkOWAkueri+OAgee8qeWwj+eahOWunuWDjy48YnI+PC9wPg==
- 提示2：PHA+54Wn55u45py644CB5pGE5YOP5py65bCx5piv5qC55o2u6L+Z5Liq5Y6f55CG5Yi25oiQ55qEPC9wPg==
- 答案：QyxE
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
本课配套习题挑战模式5/5
物体离凸透镜20cm处，在凸透镜另一侧12cm处成一个缩小的实像，该凸透镜的焦距是（ ）
| A: 10cm＞f＞6cm |
| B: 12cm＞f＞10cm |
| C: 20cm＞f＞12cm |
| D: 26cm＞f＞20cm |
- 提示1：PHA+5Ye46YCP6ZWc5oiQ5YCS56uL44CB57yp5bCP55qE5a6e5YOP5pe277yM54mp6Led77yade+8njJm77yM5YOP6Led77yaMmbvvJ5277yeZjxicj48L3A+
- 答案：QQ==
PGRpdj7lh7jpgI/plZzmiJDlgJLnq4vjgIHnvKnlsI/nmoTlrp7lg4/vvJo8L2Rpdj48ZGl2PueJqeS9k+emu+WHuOmAj+mVnDIwY23lpITvvIwyMGNt77yeMmbvvIzmiYDku6XvvIwxMGNt77yeZu+8jDwvZGl2PjxkaXY+5Zyo5Ye46YCP6ZWc5Y+m5LiA5L6nMTJjbeWkhOaIkOS4gOS4que8qeWwj+eahOWunuWDj++8jDJm77yeMTJjbe+8nmbvvIzmiYDku6XvvIwxMmNt77yeZu+8njZjbe+8jDwvZGl2PjxkaXY+5omA5Lul77yMMTBjbe+8nmbvvJ42Y20uPC9kaXY+PGRpdj7mlYXpgIlBLjwvZGl2Pg==
