Question

How do I calculate slit width and slit separation?  

TA's initials: Lab Partner: Diffraction and Interference Data Sheet Sketch of diffraction pattern: Table la Sensor Position 105m 0Marked Silit width - 0.04 Slit Position2.00 or Distance Location of Intensity Minima Left of Central | Right of Central | Average Order ½(XR-XL) Min. Cem) m- 1 5.50 um 5.51 5.51 w m 3 Table 1b Order m=1 m=2 m-3 Average Computed Slit Width 90 difference Observation: Describe how the diffraction pattern changes as the aperture increases: As we inc t slit width, tve wtath of w diffraction pitten detrea ses WORK SAFELY Name: Sketch of double slit interference pattern: Table 2a 5.00 Sensor Position105 u in Slit Position Slit to Sensor Distance s 100 Marked Slit Separation- Location of Intensity Maxima Oder Left of Right of Central, Left of Central ½(YrYu) Average | Max. (Can) Max. (c 1.41 m m-1 m-2 .52 n 3.13 on 5.51 em Table 2b Order Computer Slit Separation m-2 m 3 Average % difference Observation: Describe how the interference pattern changes as the aperture increases As tal aperature increases. Tn distane between e minimum of "nu in't er feren Le pattern decreases WORK SAFELY 89

Answer 1

Since Lambda value wasn't mentioned, 630 nm is considered.

g(冫f wi.jtu. α-) ,a -3.533 Im 2 a 3.697 xio5m

alv C M 2.