Physics W2

Ob. # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Part 1 Angle of incidence Angle of refraction 4 2 8 4 12 8 16 10 20 14 24 16 28 18 32 20 36 22 40 24 44 26 48 28 52 30 56 32 60 36 64 38 68 38 72 40 76 42 Ob. # 1 2 3 Part 2 Critical 44 46 46 Uncertainty 2 degrees Uncertainty = 2 degrees Radius of semicircular glass block = 9 cm Ob. # 1 2 3 4 5 6 7 8 9 10 Part 3 Apparent 6.9 7 6.8 7.1 7.2 7.3 7.3 7.3 7.1 7 Uncertainty 1 mm Length of Glass Block = 6.9 cm