The Surprising Feature of the Double- Slit Experiment with Electrons

Multiple Choice

The surprising feature of the double- slit experiment with electrons is that

A) the electrons don't all hit the screen at the same point.
B) the two single- slit patterns are simply superimposed-- or added to-- each other when both slits are opened.
C) the electrons are able to strike the screen even with both slits closed.
D) the overall pattern is an interference pattern.
E) small flashes are seen on the screen.