How was de Broglie's theory of the waviness of matter first confirmed?
A) By allowing two electrons to pass through each other.
B) By passing an electron beam through a metal foil and observing the pattern of impacts on a screen.
C) By careful microscopic investigation of individual electrons.
D) By passing a neutron beam through a double-slit experiment and observing the pattern of impacts on a screen.
E) By passing an electron beam through a single slit and observing the pattern of impacts on a screen.
Question 2
According to quantum theory, a macroscopic object such as a baseball
A) has no wavelength at all.
B) has an infinite wavelength.
C) has a very short wavelength.
D) has a very long wavelength.
E) is really made out of microscopic baked beans.
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