# If the velocity of light in the medium is assumed to be 2.10^-8 m/s, how much time do

1. Nov 24, 2012

### sofianets

1. The problem statement, all variables and given/known data

if the velocity of light in the medium is assumed to be 2.10^-8 m/s, how much time does it take the light to travel through the distance of 60 cm?

2. Relevant equations

n/a

3. The attempt at a solution

i tried to do something but not enough.. :(

2. Nov 24, 2012

### Staff: Mentor

Re: if the velocity of light in the medium is assumed to be 2.10^-8 m/s, how much tim

What's the definition of speed? (Rewrite the speed of the light more carefully. I doubt you meant 10^-8.)

3. Nov 24, 2012

### sofianets

Re: if the velocity of light in the medium is assumed to be 2.10^-8 m/s, how much tim

yes,it can be 2.10^8 m/s

4. Nov 24, 2012

### TameTroll

Re: if the velocity of light in the medium is assumed to be 2.10^-8 m/s, how much tim

if the velocity of light in the medium is assumed to be 2.10^8 m/s, right?