Part A:
For the first dark ring, the m value is, m = 1.22
Diameter of the pinhole, d = 0.1 × 10-3m, wavelength, λ = 632.8 × 10-9 m
Part A: At what angle θ1 to the normal would the first dark ring be observed?
Part B: Suppose that the light from the pinhole projects onto a screen 3 meters away. What is the radius of the first dark ring on that screen? Notice that the angle from Part A is small enough that sinθ≈tanθ .
Part C: The first dark ring forms the boundary for the bright Airy disk at the center of the diffraction pattern. What is the area A of the Airy disk on the screen from Part B? answer must be in mm2
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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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Based on our data, we think this problem is relevant for Professor Jerousek's class at UCF.