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Light
Refraction (slowing down)
Refraction (speeding up & critical angle)
Motion
Centripetal force
Friction on a banked track
Projectile motion
Waves
Travelling wave
Constructive interference
Destructive interference
Reflection (free end)
Reflection (fixed end)
Standing wave (two fixed ends)
Standing wave (one free end)
The Doppler effect
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As light enters the glass and slows, its angle bends towards the normal.
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