In: Physics
angel of incedence | angle of reflection | average angle of reflection | ||||
clockwise | counterclockwise | |||||
10 | 10 | 10 | 10 | |||
20 | 20 | 20 | 20 | |||
30 | 30 | 30 | 30 | |||
40 | 40 | 40 | 40 | |||
50 | 50 | 50 | 50 | |||
60 | 60 | 60 | 60 | |||
70 | 70 | 70 | 70 | |||
80 | 80 | 80 | 80 | |||
acrylic lens | Glass lens | |||||
angel of incedence | angle of reflection | average angle of reflection | angle of reflection | average angle of reflection | ||
clockwise | counterclockwise | clockwise | counterclockwise | |||
10 | 8 | 5 | 6.5 | 7 | 7 | 7 |
20 | 15 | 12 | 13.5 | 13 | 13 | 13 |
30 | 21 | 18 | 19.5 | 20 | 20 | 20 |
40 | 27 | 25 | 26 | 25 | 25 | 25 |
50 | 32 | 30 | 31 | 31 | 31 | 31 |
60 | 37 | 35 | 36 | 35 | 35 | 35 |
70 | 40 | 38 | 39 | 38 | 38 | 38 |
80 | 43 | 40 | 41.5 | 40 | 40 | 40 |
acrylic | glass | unknown fluid |
Slope from the graph | Slope from the graph | Slope from the graph |
index of refraction n= | index of refraction n= | index of refraction n= |
%error= | %error= | %error= |
critical angle | critical angle | critical angle |
index of refraction n= | index of refraction n= | index of refraction n= |
%error= | %error= | %error= |
NOTE: 1st graph plot is for acrylic, 2nd is for glass. The slope are shown in graph itself. No plot for unknown sample is needed as it is clear that slope=1.