Final answer:
The speed of light in flint glass with an index of refraction of 1.61 is approximately 1.86×108 m/s, calculated using the formula v = c/n.
Step-by-step explanation:
The question is about determining the speed of light in flint glass, which has an index of refraction, n, of 1.61. The speed of light in a medium is given by the equation v = c/n, where v is the speed of light in the medium, c is the speed of light in a vacuum, and n is the refractive index of the medium. The speed of light in a vacuum, c, is approximately 3.00×108 m/s. Using the formula v = c/n, where v is the speed of light in the medium, and n is the index of refraction of the medium, we can calculate the speed as follows:
v = c/n = (3.00×108 m/s) / 1.6
After performing the calculation, the speed of light in flint glass is approximately 1.86×108 m/s.