Question

A double sit produces a diffraction pattern that is a combination of single- and double-slit interference


A double sit produces a diffraction pattern that is a combination of single- and double-slit interference. Find the ratio of the width of the slits to the separation between them, if the first minimum of the single-slit pattern falls on the fifth maximum of the double-slit pattern.

(This will greatly reduce the intensity of the fifth maximum.) 


Select the correct answer 

  • 0.100 

  • 0.040

  • 0.200 

  • 0.500 

  • 0.250

1 0
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Answer #1

Solution: Consider the expression for single slit, ere.n-1 (1) Dsin θ λ Consider the expression for double slit, dsin9-5λ (2)

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