Diffraction is the ____ of waves when they meet a barrier or ____. Diffraction occurs in all types of wave, including ____ and ____ waves. TV and radio ____ can often be blocked by a hill/large building. Signals with a longer wavelength can ____ around the hills/buildings. This means the signal ____ reach the house if the signal has a ____.

Diffraction

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?