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Question
(a) Assuming it is nonrelativistic, calculate the velocity of an electron with a 0.100-fm wavelength (small enough to detect details of a nucleus). (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
1. $7.27 \times 10^{12} \textrm{ m/s}$
2. $v > c$, which is not possible.
3. The assumption that the speed is nonrelativistic is not reasonable.
Solution Video