발음 (2)
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/dɪˈfɹækʃən/
-
dɪˈfɹækʃən
명사
The bending of a wave around an obstacle.
용법- 가산
- 불가산
The breaking up of an electromagnetic wave as it passes a geometric structure (e.g. a slit), followed by reconstruction of the wave by interference.
용법- 가산
- 불가산
명사
when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands