潜望镜的观察奥秘

题目

潜望镜的观察奥秘
自制一个潜望镜.试一试,从潜望镜下面的洞口看进去,可以看到上面洞口外面的物体吗?若能,你又怎样解释这种现象?

答案

``________
→ ____```|
``````````|↓|
``````````|```|
``````````|```|_____
``````````|\_______→
""是镜子
"→"是光的走向
"````````````````"不用看