In: Physics
Determine your grating constant “d” uncertainty by calculating the standard deviation from the 14 values obtained.
Left angle(degree) |
Grating constant(m) |
Right angle(degree) |
Grating constant |
|
Violet |
165.63 |
1.8*10-6 |
175.16 |
5.3*10-6 |
Blue |
170.03 |
2.7*10-6 |
175.25 |
5.7*10-6 |
Green 2 |
163.45 |
1.7*10-6 |
197.91 |
1.6*10-6 |
Green 1 |
191.98 |
2.4*10-6 |
191.88 |
2.4*10-6 |
Yellow |
153.65 |
1.3*10-6 |
193.97 |
2.4*10-6 |
Red 2 |
157.03 |
1.7*10-6 |
195.88 |
2.4*10-6 |
Red 1 |
165.72 |
2.9*10-6 |
188.22 |
4.9*10-6 |
Average grading constant (m)-2.8*10-6
Rulling (lines/m)=3.6*105