Reflection
Light, Sound and Waves

Bent light - like bent rulers?

Teaching Guidance for 11-14 Supporting Physics Teaching

Refraction is sometimes referred to as bending light.

Not really objectionable

Teacher Tip: You might want to distinguish between bending a ruler (into a curve) and bending as it is used here (changing from one straight-line path to another)

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Reflection
is formalised by Law of Reflection
can be exhibited by Progressive Wave
has the special case Total Internal Reflection
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