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Physics
Physics
Problem
A
5.0
mm
5.0\,\text{mm}
5.0
mm
-thick transparent slab causes a light pulse to emerge
20
ps
20\,\text{ps}
20
ps
later than it would after traveling the same distance in vacuum. Which of the following is the best estimate of the slab’s index of refraction? a)
1.45
1.45
1.45
b)
2.2
2.2
2.2
c)
1.20
1.20
1.20
d)
1.83
1.83
1.83
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