00:01
Hi there.
00:02
So for the problem, first we need to calculate what is the speed of the light in a liquid that has an indesophrefraption of 1 .47.
00:15
So we are given that the light has a wavelength of 650 nanometers in vacuum.
00:23
So to obtain the speed in a medium different vacuum, we know that the velocity.
00:32
Should be the speed of light over the index of refraption.
00:39
And we note that the speed of light is 3 times 10 to the 8 meters per second.
00:47
And the index of refraption is 1 .47.
00:52
So plug it is into the calculator we obtain 2 .04 times 10 to the 8 meters.
01:12
Per second and this result is correct because it is a value less than the speed of life as it should be.
01:24
Now for pari of this problem, we are asked to determine the wavelength of this wave when they are traveling through the liquid.
01:39
We know that the wavelength is defined as the speed in the medium over the frequency.
01:53
So when we have a wave traveling in the vacuum, we know that that velocity corresponds to the speed of light over the frequency...