In a double-slit interference experiment, assuming that the distance from the location of the double slit to the location of the screen remains fixed, explain what happens to the double-slit interference pattern that appears on the screen if we : (a)increase the wavelength of the laser illuminating a particular, fixed double-slit (b)decrease the separation of the double-slit (i.e., replace the original double slit witha smaller-separation double-slit) while keeping the illumination unchanged

University Physics Volume 3
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ISBN:9781938168185
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Chapter4: Diffraction
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Problem 40P: Determine the intensities of two interference peaks other than the central peak in the central...
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In a double-slit interference experiment, assuming that the distance from the location of the double slit to the location of the screen remains fixed, explain what happens to the double-slit interference pattern that appears on the screen if we :

(a)increase the wavelength of the laser illuminating a particular, fixed double-slit

(b)decrease the separation of the double-slit (i.e., replace the original double slit witha smaller-separation double-slit) while keeping the illumination unchanged.

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