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 ____.

Edetabel

Visuaalne stiil

Valikud

Vaheta malli

Kas taastada automaatselt salvestatud ?