Laser

- Measurements are in cms
- The middle point is marked with ---


300 slits per mm
d = 288.3 cm
60.5
47.5
41.8
----
42.8
48.5
63.3


100 slits per mm
d = 222.8 cm
26.4
24.0
21.8
20.6
19.6
18.8
18.6
18.6
----
18.0
18.7
19.2
20.7
21.2
23.0


Hair
d = 306 cm
4.2
3.8
4.2
1.7
---
1.7
4.0
4.4
3.5


Formulae:
d*sin theta = k*wavelength
because of the maximum value (1) of the sin function, k < d/wavelength