[問題] 生活上的小發現
我拿一個鏡子
去反射太陽光
如果鏡子與屏幕 比較近的時候 反射光的形狀和鏡子一樣
可是阿 如果我把屏幕拉遠就會會成圓形的亮圓
依照以前學的的單向反射 不是應該就試鏡子形狀一樣嗎?
不知道問題有沒有很笨 煩請大家幫忙想一下!
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