Question

What is the refractive index of glass material for which the speed of light in it is
1.92×108 m/s?

2.41
1.56
0.54
1.35

Answer 1

Answer on Question #52737-Physics-Optics

What is the refractive index of glass material for which the speed of light in it is 1.92×108 m/s?

2.41

1.56

0.54

1.35

Solution

The refractive index of glass material is

$$n = \frac {c}{v} = \frac {3.00 \cdot 10^{8} \frac {m}{s}}{1.92 \cdot 10^{8} \frac {m}{s}} = 1.56.$$

Answer: 1.56.

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