PArt1: From a Young\'s double-slit experiment,where the maxima are indicated by

Question

PArt1:   From a Young's double-slit experiment,where the maxima are indicated by the 7 yellow patches and theminima are indicated by the 8 black patches. The distance from theslits to the screen displaying the pattern is 3.5 m, the slitspacing is 0.080 mm, and the distance from the extreme maxima, y,is 15. cm. What is the wavelength of the light?
Part2: If we now shine the same light onto a pair ofslits with spacing 0.100 mm, what is the spacing between successivemaxima in the interference pattern? PArt1:   From a Young's double-slit experiment,where the maxima are indicated by the 7 yellow patches and theminima are indicated by the 8 black patches. The distance from theslits to the screen displaying the pattern is 3.5 m, the slitspacing is 0.080 mm, and the distance from the extreme maxima, y,is 15. cm. What is the wavelength of the light?
Part2: If we now shine the same light onto a pair ofslits with spacing 0.100 mm, what is the spacing between successivemaxima in the interference pattern?

Explanation / Answer

(1). slit spacing d = 0.08 mm = 0.08 * 10 ^ -3 m The distance from the slits to the screen displaying thepattern is D = 3.5 m fringe width = 15 cm = 0.15 m we know = D / d from this we find value

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