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The Figure Shows the Path of a Ray of Light

Question 16

Multiple Choice

The figure shows the path of a ray of light as it travels through air and crosses a boundary into water. The index of refraction of water for this light is 1.33. The figure shows the path of a ray of light as it travels through air and crosses a boundary into water. The index of refraction of water for this light is 1.33.   -What is the speed of this ray of light as it travels through the water? A) 1.54 × 10<sup>8</sup> m/s B) 2.26 × 10<sup>8</sup> m/s C) 2.86 × 10<sup>8</sup> m/s D) 3.99 × 10<sup>8</sup> m/s E) 4.43 × 10<sup>9</sup> m/s
-What is the speed of this ray of light as it travels through the water?


A) 1.54 × 108 m/s
B) 2.26 × 108 m/s
C) 2.86 × 108 m/s
D) 3.99 × 108 m/s
E) 4.43 × 109 m/s

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