Light: Wave Model (HSC SSCE Physics): Flashcards
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Newton's corpuscular theory
Newton's corpuscular theory
Light consists of tiny particles with mass
Huygens' undulatory theory
Huygens' undulatory theory
Wave model of light
Newton's assumption: light speed in denser media
Newton's assumption: light speed in denser media
Light travels faster in optically denser media
Foucault's result: light speed in water vs air
Foucault's result: light speed in water vs air
Light travels slower in water than in air
Huygens' principle
Huygens' principle
Each point on a wave acts as a point source
Rectilinear propagation
Rectilinear propagation
Straight-line travel of light
Diffraction
Diffraction
Bending of light around edges or through gaps
Visible light wavelength range
Visible light wavelength range
400 to 700 nanometres
Newton's Theory of Fits
Newton's Theory of Fits
Some particles fit between atoms & refract, others reflect
Ibn al-Haytham's view of light
Ibn al-Haytham's view of light
Light composed of particles