Problem: Coherent light of wavelength λ = 700 nm passes through a single narrow slit that has width a. The interference pattern is observed on a screen a distance 4.0 m from the slit. The central diffraction pattern on the screen has a width of 12.0 mm. What is the width a of the slit?

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Problem Details

Coherent light of wavelength λ = 700 nm passes through a single narrow slit that has width a. The interference pattern is observed on a screen a distance 4.0 m from the slit. The central diffraction pattern on the screen has a width of 12.0 mm. What is the width a of the slit?

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What scientific concept do you need to know in order to solve this problem?

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

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