9:29:11 9 expert.chegg.com/qna/author Cheyy Student question - KB/S LTE 476% + [2] Time Left: 01:59:31 Assume the electron interference pattern of (Figure 1) was made by shooting electrons with 40 keV of kinetic energy through two slits spaced 3.0 \mu m apart. The fringes were recorded on a detector 2.0 m behind the slits. What was the speed of the electrons? (The speed is large enough to justify using relativity, but for simplicity do this as a nonrelativistic calculation.) The figure is greatly magnified. What was the actual spacing on the detector between adjacent bright fringes?

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