Optics (AQA GCSE Physics): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
What 3 things can happen when light hits a surface?
What 3 things can happen when light hits a surface?
Reflected, absorbed, transmitted
Reflection type: smooth surfaces
Reflection type: smooth surfaces
Specular reflection
Reflection type: rough surfaces
Reflection type: rough surfaces
Diffuse reflection
Ray pattern in specular reflection
Ray pattern in specular reflection
Parallel to each other
Ray pattern in diffuse reflection
Ray pattern in diffuse reflection
Scattered in many directions
Another name for diffuse reflection
Another name for diffuse reflection
Scattering
What is white light made of?
What is white light made of?
Many different colours mixed together
Colour with longest wavelength
Colour with longest wavelength
Red
Colour with shortest wavelength
Colour with shortest wavelength
Violet
What black objects do to light
What black objects do to light
Absorb all wavelengths of visible light
What white objects do to light
What white objects do to light
Reflect all wavelengths of visible light
Why blue objects appear blue
Why blue objects appear blue
Reflect blue light, absorb other colours
What filters do to light
What filters do to light
Let some colours through, absorb others
What transparent materials do
What transparent materials do
Let all light pass through
What opaque materials do
What opaque materials do
Don't let any light pass through