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A Slit of Variable Width Illuminated by Light of Wavelength

Question 37

Multiple Choice

A slit of variable width illuminated by light of wavelength λ is widened until the first order diffraction minimum moves out to a distance infinitely far away from the brightest location in the central maximum. In terms of the wavelength, the width of the slit is then


A) 0.
B) A slit of variable width illuminated by light of wavelength λ is widened until the first order diffraction minimum moves out to a distance infinitely far away from the brightest location in the central maximum. In terms of the wavelength, the width of the slit is then A) 0. B) . C) λ. D) . E) 2λ. .
C) λ.
D) A slit of variable width illuminated by light of wavelength λ is widened until the first order diffraction minimum moves out to a distance infinitely far away from the brightest location in the central maximum. In terms of the wavelength, the width of the slit is then A) 0. B) . C) λ. D) . E) 2λ. .
E) 2λ.

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