磨砂玻璃湿水后为什么变得透明?磨砂玻璃只能透过光线而不能看透景像,但当磨砂玻璃湿了水之后,就变得透明而能看清景像了,大家知道:磨砂玻璃的表面是凹凸不平的,当光射向凹凸不平的表面时,就向不同的方向凌乱地区折射,如图1(a)所示,人眼看到这些光就只看见光而看不到景物的像,当磨砂玻璃湿水后,表面就变得 Why does the frosted glass become transparent? The frosted glass can only see through the light and cannot see through the scene, but when the frosted glass gets wet, it becomes transparent and can be seen clearly. Everyone knows: frosted glass The surface is uneven. When the light strikes a rough surface, it refracts in different directions in a disorderly manner. As shown in Fig. 1(a), the human eye sees only the light but not the image of the scenery. When the frosted glass wets, the surface becomes