1. refraction data and graph ☁: ________________________
  2. ☁: ________________________
  3. ☁: ________________________
  4. Define reflection.
  5. Define refraction.
  6. Define total internal reflection.
  7. __________ Based on the image at the right, what is the index of refraction for water?
  8. A student gathered the data seen in the table seen further below.
    1. ______________ Calculate the slope of the line. The slope is the experimental index of refraction for water.
    2. ______________ __________ Use the slope above to predict the object depth for a penny that appears to be 30 cm underwater.
    3. ______________ __________ Use the slope above to predict the image depth for a coral head that is 200 cm underwater.
    4. ______________ Water has a published index of refraction of 1.33. What is the error for the slope?
    5. ______________ Water has a published index of refraction of 1.33. What is the percentage error for the slope?
    Graphical analysis

    Water Data

    image dist
    i (cm)    		object dist
    o (cm)
    00
    2028
    4056
    6084
    80112
    background rectangle major grid lines axes text layers Index of Refraction for water image depth i (cm) object depth o (cm) x-axis labels 0 10 20 30 40 50 60 70 80 90 100 y-axis labels 0 10 20 30 40 50 60 70 80 90 100 110 120

error = experimental value − expected or published value || percent error= (experimental value−expected value) (expected value) || slope= ( y2 − y1 ) ( x2 − x1 )