After the French and Indian War, in 1763, the British gained a lot of land. This
meant they had to spend a lot of money
On what

Which statement is correct? the speed of the light ray is the same in air and medium a. the speed of the light ray is the same in air and medium b. medium a and medium b have different densities because light refracts at different angles. medium a and medium b have the same density because the light ray strikes both at the same angle.