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A beam of light (angle 0,=17°) inside a
transparent material (n=1.3) hits the
surface. Notice the change in subscripts of
the angles. For example, the refraction angle
is ēt, for "transmitted", whereas Or is the
"reflected" angle. Use the correct quantity,
not necessarily the variable name.
a)Calculate the transmitted (refracted)
angle.
b)lf n = 2.1 and 0, = 26°. Calculate 0r, the
reflected angle.

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