[解題] 蠟燭成像&凹面鏡
1.年級:二
2.科目:理化
3.章節:光
4.題目:
(1)蠟燭針孔成像
若是把針孔變大其他條件不變(物距.屏幕不變...等等)
像的大小??
(2)凹面鏡和平面鏡的實像和虛像怎麼分別??
5.想法:
(1)我的想法是:孔越大,光通過時的範圍應該可以越大,像不是會變大嗎??
(2)我的想法是:平面鏡所看到像的是虛像,凹面鏡(利用湯匙凹面
做實驗)所看到的為何是實像??我的認知本來以為在鏡子看到的都是虛像
,呈現在布幕上面的才是實像,不過這個好像跟自己的觀點有衝突!!
有請各位高手了!!
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