For total internal reflection to occur, which one of the following is the correct statement? $(i = \text{angle of incidence}, i_{C} = \text{critical angle})$.
- ARay travels from denser medium to rarer medium and $i > i_{C}$.
- BRay travels from rarer medium to denser medium and $i < i_{C}$.
- CRay travels from rarer medium to denser medium and $i > i_{C}$.
- DRay travels from denser medium to rarer medium and $i < i_{C}$.
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