Lab 12 PHY

Name: Katherine Campoverde Section _______________ Date ___________ Report on Laboratory Experiment “ Reflection and Refraction of Light” Part A Table: Reflection of light Angle of incidence, Degrees (θ i ) 45 50 55 60 65 70 75 80 Angle of reflection, Degrees (θ r ) 45 50 55 60 65 70 75 80 Question: does your data support the law of reflection? Why? Part B Table: Refraction of light Angle of incidence, degrees (θ i ) 10 20 30 40 50 60 70 80 sin(θ i ) (plot on y-axis) 0.174 0.342 0.5 0.643 0.766 0.866 0.94 0.984 Angle of refraction, Degrees (θ r ) 7 13 20 25 31 35 39 41 sin(θ r ) (plot on x-axis) 0.122 0.225 0.342 0.423 0.515 0.574 0.629 0.656 Question: How does your slope compare to the refractive index of water (n = 1.33)? Part C: Calculations Critical Angle (θ critical ) Refractive Index (n) Possible material Mystery Material A 24 2.46 Diamond Mystery Material B 45 1.414 Corn Oil