Refraction Ray Diagrams (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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What is refraction?
What is refraction?
Waves changing direction when speed changes between media
Direction waves bend when slowing down
Direction waves bend when slowing down
Towards the normal
Direction waves bend when speeding up
Direction waves bend when speeding up
Away from the normal
Wave direction at right angles to surface
Wave direction at right angles to surface
No change in direction
What is a wavefront?
What is a wavefront?
Imaginary line connecting same points in set of waves
Wavelength change entering denser medium
Wavelength change entering denser medium
Gets smaller
Angle of incidence ()
Angle of incidence ()
Angle between incident wave and normal
Angle of refraction ()
Angle of refraction ()
Angle between refracted wave and normal
Wave direction entering denser material
Wave direction entering denser material
Bends towards the normal
Wave direction entering less dense material
Wave direction entering less dense material
Bends away from the normal
What is dispersion?
What is dispersion?
White light spreading into rainbow when entering prism
Which wavelengths slow down more in denser media
Which wavelengths slow down more in denser media
Shorter wavelengths
Speed change when light enters denser medium
Speed change when light enters denser medium
Slows down
Blue vs red light speed in denser medium
Blue vs red light speed in denser medium
Blue slows down more than red