Fused Quartz Has an Index of Refraction of 1

question 73

Multiple Choice

Fused quartz has an index of refraction of 1.50 for light from a 678-nm source.What is the speed of light for this wavelength within the quartz? (c = 3.00 × 10⁸ m/s)

• A)1.50E+8 m/s
• B)2.00E+8 m/s
• C)2.45E+8 m/s
• D)1.33E+8 m/s
• E)1.50E+8 m/s.

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