14. Lab 14: Refraction through Different Media

14.7. Data and Observations

What do you see when you move the straw around the cup? Record your results below.

Table 14.2 Relative Index of Refraction

 

Layer

Shift Relative to the Layer Above (left or right)

Relative Index of Refraction*

Vegetable oil

 

 

nvegetable oil nair

Water

 

 

Nwater nvegetable oil

Corn syrup

 

 

ncorn syrup nwater

 

* When the straw is on the left side of the cup, a shift to the left indicates a higher value in the index of refraction, and a shift to the right indicates a lower index of refraction. Insert a greater than (>), less than (<), or equal to (=) sign to indicate what shift occurs.