Click on a question number!






































1.
Niels Bohr's "Copenhagen interpretation" of quantum mechanics was more radical than simply saying (as Heisenberg did) that an electron's properties can be inherently "uncertain."  How so?

Answer





































2.
Which of these can produce a diffraction pattern when passed through a slit?
(You can check 0, 1, or 2 boxes before submitting.)

electrons
neutrons







































3.
We can't simultaneously know, to arbitrary precision, a particle's position and its

energy
momentum
mass
electric charge






































4.
A single electron passed through a pair of slits makes ______ on a phosphor or photographic film.

(You can check 0, 1, or 2 boxes before submitting.)

a single bright spot
a pattern of bright and dark regions







































5.
When we send numerous electrons one at a time through a pair of slits, what's puzzling about the results?

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6.
If we send a single electron through a pair of slits, quantum mechanics enables us to compute

(You can check 0, 1, or 2 boxes before submitting.)

where it will land
nothing at all







































7.
A continuation of our "Schrödinger's cat" discussion: What is the "many-worlds" interpretation of quantum mechanics?

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8.
An electron cloud (orbital) depicts

the shape of an electron
the shape of an atom
the charge of an electron
the most likely locations of an electron