The electron interference pattern of Figure 38 12 was made by shooting electrons with 50 keV of kinetic energy through two slits spaced 1 0 Icirc frac14 m apart The fringes were recorded on a detector 1 0 m behind the slits a What was the speed of the electrons (The speed is large enough to justify...

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The electron interference pattern of Figure 38.12 was made by shooting electrons with 50 keV of kinetic

Question:

The electron interference pattern of Figure 38.12 was made by shooting electrons with 50 keV of kinetic energy through two slits spaced 1.0 Î¼m apart. The fringes were recorded on a detector 1.0 m behind the slits.
a. 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.)
b.Figure 38.12 is greatly magnified. What was the actual spacing on the detector between adjacent bright fringes?

The electron interference pattern of Figure 38.12 was made by