You want to estimate the diameter of a very small circularpinhole that you've made in a
Chapter 17, Problem 26(choose chapter or problem)
You want to estimate the diameter of a very small circularpinhole that you've made in a piece of aluminum foil. To doso, you shine a red laser pointer (A = 632 nm) at the hole andobserve the diffraction l?attern on a screen 3.5 m behind the foil.You measure the width of the central maximum to be 15 mm.What is the diameter of the hole?A. 0.1 8 mm B. 0.29 mm C. 0.36 mm D. I.I mm
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