In this lab, we are required to calculate the length of the traveling ray to the
ID: 2303661 • Letter: I
Question
In this lab, we are required to calculate the length of the traveling ray to the mirror. I'm not sure how to calculate this, and this is everything we are given. Assuming the speed of light is 3x10^8.
Below is are all the steps to the lab (the other steps before and after it don't pertain to the distance)
6. With the speed of wheel at 2800 Rev/s click on start.
7. Measure the length of the ray of light traveling to the mirror in meters and record answer in column B of table 31
8. Repeat steps 6 and 7 for each Rev/s in column A of Table 31 and place in column B of table 31.
Here is the table we are required to fill out:
How do I calculate the distance of the traveling ray? Please show the full equation and what each constant means. I need to input the equation into my table.
Thank you.
Fizeau's experiment information observer angular speed of wheel (rev/s) 2800 observer's view slow motion fpExplanation / Answer
Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium
1.5 = 3 x 108 / Speed of light in medium
Speed of light in the medium = 3 x 108 /1.5
= 2 x 108 m/s.
D=speedxtime
17.3x720=12456
S=D/T=12456/720=17.3KM
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