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12 cards from this deck
Interface between two different materials
Waves absorbed by material, energy transferred to it
Transferred to material's thermal energy store (heating)
Waves bounce back from boundary between materials
Equal
Waves pass through the second material
Change in direction when waves pass through a material
Wave changes speed when entering new material
To focus light (e.g., glasses, camera lenses)
Fibre optics to transmit data
Shorter wavelengths more likely to be reflected
Denser materials may absorb or refract more energy
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