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What does the figure show?

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in Engineering Physics II by (679k points)
What does the figure show?

(a) Diffraction underwater

(b) Diffraction in a magnetic field

(c) Cornu’s Spiral

(d) Diffraction at a straight edge

This question was addressed to me in an interview for internship.

The query is from Differences of Fresnel and Fraunhofer Diffraction in portion Diffraction of Engineering Physics II

1 Answer

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Best answer
Right choice is (c) Cornu’s Spiral

The best explanation: The given figure is called as Cornu’s Spiral. It is an elegant method of investigating the intensity distribution in Fresnel’s diffraction pattern.

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