Question

Question 11 0/5 pts Light of wavelength 495 nm is incident upon a single slit with width W = 4.3 x 10-4 m. The figure below shows the pattern observed on a screen positioned 270 cm from the slits. What is the distance, in cm. Please round your answer to two decimal places 0.000 Question 12 5/5 pts

can you please answer these questions

Answer 1

Qir consider the slit of width W = 4.3x10th when the light of wavelength d=495 nm = 4958109m fall on it due to diffraction light heads. "The geometrical path difference between the days AP and op w sino 2 Ym A 10: for the Consbructive interface maxima sito 'W sino cental (bright) sty= nd And for destructive interfer A=mi 2 so D W sino slit schen 2 where mi tosino m=1,2, ist dook dark 3 ,870 2nd f A So given hattern os >> sino a 0 ~ tano a Im D cenbal Bright 14--0- ہے =hd to mith for m=2 0 where m= order of dook fringe Ym = distance from central fring order dook fringe D=2.70m 2xygsx100 max 2.70m = 21 4. 3810lm yy = 621.63 x 10 = 0.622 X10 m so. The distance and order dark fringe from central Bright y = 0.62 cm ,لا نا I = 2AD w D = 0.62 em