Double slit over time, single slit in moment

sgphysics
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What happen if you do the following version of the double slit experiment: In first sequence the right slit is open and the left is closed, and a number of electrons are sent through. Then the right slit is closed and the left is opened, and a new sequece of electrons are fired. After completing this, the pattern is observed. Would one see any intereference?
 
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There would be no double-slit interference. You would see two single-slit patterns.
 
Drakkith said:
There would be no double-slit interference. You would see two single-slit patterns.
Is that confirmed by experiments?
 
sgphysics said:
Is that confirmed by experiments?

Of course.
 
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