The Speed of Light in a Certain Material Is Measured $2.2 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$

question 47

Multiple Choice

The speed of light in a certain material is measured to be $2.2 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ . What is the index of refraction of this material? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

• A) \(1.8\)
• B) \(1.1\)
• C) \(1.4\)
• D) \(1.2\)
• E) \(1.6\)

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