ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Team 1Team 2Team 3
2
Distance from Wall, D50cm
3
Distance between n=0 and n=1, y1 =43.5cm
4
Lines per mm (grating) =1000
lines/mm
5
Distance between lines, d =0.001mm#DIV/0!#DIV/0!#DIV/0!
6
Wavelength, mm = d y1 /sqrt(y1^2+D^2) =
0.0006563654784mm#DIV/0!#DIV/0!#DIV/0!
7
Wavelength, nm. Convert mm to nm656.3654784nm#DIV/0!#DIV/0!#DIV/0!
8
Correct value,650nm
9
Error6.365478363nm#DIV/0!#DIV/0!#DIV/0!
10
Percent Error0.9793043635#DIV/0!#DIV/0!#DIV/0!
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100