In the context of the double-slit experiment, quantum uncertainty refers to
A) the fact that the particles of matter or radiation are instantaneously replaced by a spread-out matter field or EM field when the particles impact the screen.
B) the fact that the electron beam or light beam goes through both slits rather than only one.
C) our inability to precisely predict the point at which a spread-out matter field or EM field will interact with the screen.
D) the fact that the entire matter field or EM field instantaneously collapses to the single interaction point when the field interacts with the screen.
E) the fact that each interaction with the screen occurs over a broad area of the screen.
Question 2
At any angular speed, a certain uniform solid sphere of diameter D has half as much rotational kinetic energy as a certain uniform thin-walled hollow sphere of the same diameter when both are spinning about an axis through their centers.
If the mass of the solid sphere is M, the mass of the hollow sphere is A) 3/5 M.
B) 5/3 M.
C) 5/6 M.
D) 6/5 M.
E) 2 M.
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