Ray from water to air, increasing the incident angle. Going from refraction -> critical angle -> total internal refraction.


Ray from water to air, increasing the incident angle. Going from refraction -> critical angle -> total internal refraction.


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2 Comments

  1. Nice! Would prefer if the reflected ray were shown simultaneously with the refraction, so it wouldn’t look so much like a ray were appearing out of nowhere past the critical angle, but this works too.

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