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A single slit, 1400 nm wide, forms a diffraction pattern when illuminated by monochromatic light...

Question:

A single slit, 1400 nm wide, forms a diffraction pattern when illuminated by monochromatic light of 490-nm wavelength. What is the largest angle from the central maximum at which the intensity of the light is zero?

Single Slit Diffraction:


Light beam passing through a single slit produces an interference pattern due to the diffraction of light. The interference pattern is the visualization of the constructive and destructive interference that occurred. In this pattern, the dark fringes represent the destructive interference and the bright fringes represent the constructive interference.

Answer and Explanation:


The problem asked us to find the largest angle from the central maximum at which the intensity of the light is zero. Talking about zero intensity, the...

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Single-slit Diffraction: Interference Pattern & Equations

from UExcel Physics: Study Guide & Test Prep

Chapter 15 / Lesson 9
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