Question

A ray of light has an angle of incidence of 30.4 degrees
on a block of quartz and an angle of refraction
of 20.7 degrees.
What is the index of refraction for this block
of quartz?
Review and use Snell's law.
N1SinQ1=N2SinQ2
1*sin(30.4)=N2Sin(20.7)
Sin(30.4)/Sin(20.7)=N2
1.43=N2

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