Problem: A double slit is illuminated with monochromatic light of wavelength 6.00 x 10 2 nm. The m = 0 and m = 1 bright fringes are separated by 3.0 cm on a screen which is located 10.0 m from the slits. What is the separation between the slits? (a) 4.0 x 10-5 m  (b) 8.0 x 10-5 m (c) 2.0 x 10-4 m (d) 2.4 x 10-4 m

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Problem Details

A double slit is illuminated with monochromatic light of wavelength 6.00 x 10 2 nm. The m = 0 and m = 1 bright fringes are separated by 3.0 cm on a screen which is located 10.0 m from the slits. What is the separation between the slits?

(a) 4.0 x 10-5 m 

(b) 8.0 x 10-5 m

(c) 2.0 x 10-4 m

(d) 2.4 x 10-4 m

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Our tutors have indicated that to solve this problem you will need to apply the Young's Double Slit Experiment concept. You can view video lessons to learn Young's Double Slit Experiment. Or if you need more Young's Double Slit Experiment practice, you can also practice Young's Double Slit Experiment practice problems.

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Based on our data, we think this problem is relevant for Professor Criss' class at USF.