Flashcards
Refraction and Diffraction
Cards in this deck (7)
- 1What does it mean when a wave is refracted?They go through a new material but change direction
- 2What does it mean when a wave is diffracted?The wave bends round obstacles, causing the wave to spread out
- 3What does the amount of diffraction depend on?The size of the gap, the wave is passing through, relative to the wavelength
- 4In diffraction, the narrower the gap or longer the wavelength...... the more the wave spreads out
- 5What happens when a wave crosses a boundary between two substances?It changes direction
- 6When are waves only refracted?If they meet a new medium at an angle
- 7When will waves never be refracted, even though they change speed?If they are moving along a normal
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