The refractive indices of two media are denoted by n1 and n2, and the velocities of light in these two media are respectively v1 and v2. If n2/n1 is 1.5, which one of the following statements is correct?
1
v1 is 1.5 times v2
2
v2 is 1.5 times v1
3
v1 is equal to v2
4
None of the above