Suppose that at a certain time a quanton has a well-defined wavelength of 0.15 nm. At that time, we perform an experiment to locate the quanton and get the result x = 0.45 nm to a high degree of precision. What can we say about the wavelength of the quanton’s wave function after the experiment?
A. It is still 0.15 nm.
B. It is now 0.30 nm.
C. It is now 0.45 nm.
D. It is now not well-defined.
E. Other (specify).
D. It is now not well-defined.
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