Mathematical relationship between n & v is __________

n = ___

Which substance on the Absolute Indices of Refraction slows down light

the most? ________________________ the least? ________________

The more light is ____________________, the more it _______________

1. Prediction q ref from q in

a. Snell's Law __________________________ On Reference Table

1 – incident medium 2 – refractive medium

Air Lucite

n₁sinq₁ = n₂sinq₂

b. ________________________________________________

1 – incident medium

2 – refractive medium

When a light changes media, its _________________ _____________

NOT its ___________________________

c. _____________________

2. Critical Angle – angle of _________________ for which the

________________________ equals _____________ when

light travels inside one medium that ___________________________

________________________________________________________

qc for Lucite

sin qc =

3. Total Internal Reflection – (High n to Low n)

When q₁ =

When q >

When q <

Lucite qc = 41.8

q₁ > 41.8 _____________________

q₁ < 41.8 ____________________

1. Dispersion – ______________________________________________ into it’s component wavelengths (colors)

Each color has a different ______________________ (different speeds)

Dispersive Medium – a medium in which the velocity of a wave depends on its frequency

ex) ________________

Nondispersive ® _______________