Vergence and Refraction
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4 Terms
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What happens to wavefronts at infinity?
Wavefronts are flat
2
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How do we know if the numerical value of the distance is positive?
If the distance from the boundary to the light source/object is measured in the same direction as light then it is positive convergence
3
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How do we know if the numerical value of the distance is negative?
If the distance from the boundary to the light source/object is measured in the opposite direction to light then it is negative divergence
4
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What is the direction of light?
Left to right
Note 
Flashcards (36)