Question 11 of 12 Incorrect S Map sapling learning Using a 673-nm wavelength las

Question

Question 11 of 12 Incorrect S Map sapling learning Using a 673-nm wavelength laser, you form the diffraction pattern of a 0.115-mm wide slit on a screen. You measure on the screen that the 13th dark fringe is 9.41 cm away from the center of the central maximum. How far is the screen located from the slit? Number 2.29 There is a hint available! View the hint by clicking on the bottom divider bar. Click on the divider bar again to hide the hint. Close A Previous ® Give Up & View Solution Check Answer Next Exit Hint

Explanation / Answer

here

wavelength = 673nm
  
wavelength = 6.73*10^-7m

width of slit , d = 0.115mm

width of slit , d = 1.15*10^-4m

screen distance , D = ?

hence , for the 13th dark fringe

y = m * wavelength * D /d

0.0941 = 12.5 * 673 *10^-9 * D /(1.15 *10^-4)

D = 1.28 m

the screen distance D is 1.28 m

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