Light from a vacuum enters a medium with a refractive index of 2, then continues on and enters another medium with a refractive index of 3.5. How would you calculate the final speed of the light?(1 point)

Responses

c5.5

c over 5 point 5
c
c
c(3.5−2)
the fraction with numerator c and denominator open paren 3 point 5 minus 2 close paren
c3.5