📅 NSB Round Robin 2018🎓 HS🔄 Round 5#️⃣ Question 23🌟 Bonus✍️ Short Answer
A beam of light whose wavelength is 600 nanometers in a vacuum passes into a medium with an index of refraction of four-thirds. To the nearest integer multiple of a thousand kilometers per second, what is the speed of the light in this medium?
✔️Answer:225,000
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