Waves in Air, Fluids & Solids (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
14 cards from this deck
3 outcomes when waves meet a boundary
3 outcomes when waves meet a boundary
Refract, reflect, or be absorbed
Reflection definition
Reflection definition
Wave bounces off a material boundary
Law of reflection
Law of reflection
Angle of incidence
Angle of incidence
Angle between incoming wave and normal line
Angle of reflection
Angle of reflection
Angle between reflected wave and normal line
Normal line
Normal line
Line drawn perpendicular to the boundary
Surface type for specular reflection
Surface type for specular reflection
Smooth surface
Appearance of specular reflection
Appearance of specular reflection
Clear, shiny reflection (like a mirror)
Surface type for diffuse reflection
Surface type for diffuse reflection
Rough surface
Appearance of diffuse reflection
Appearance of diffuse reflection
Matte, no clear reflection
Condition for refraction to occur
Condition for refraction to occur
Wave meets boundary at an angle
Cause of refraction
Cause of refraction
Change in wave speed in different materials
Wave speeds up in new material - bends which way?
Wave speeds up in new material - bends which way?
Away from the normal
Wave slows down in new material - bends which way?
Wave slows down in new material - bends which way?
Toward the normal