Chapter 35: Problem 20
Two slits spaced 0.260 mm apart are 0.900 m from a screen and illuminated by coherent light of wavelength 660 nm. The intensity at the center of the central maximum (\(\theta\) = 0\(^\circ\)) is \(I_0\) . What is the distance on the screen from the center of the central maximum (a) to the first minimum; (b) to the point where the intensity has fallen to \(I_0\) /2?
Short Answer
Step by step solution
Understanding the Problem
Calculating the Position of the First Minimum
Converting Units and Solving for \(\theta\)
Finding the Distance from the Center
Intensity at \( I_0 /2 \)
Calculating \( \theta \) for \( I_0/2 \)
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Key Concepts
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