Question

An electron microscope operates with a beam of electrons, each of which has an energy of...

An electron microscope operates with a beam of electrons, each of which has an energy of 73 KeV.
Use the uncertainty principle in the form
∆ x ∆ p ≥ ̄h
to find the smallest size that such a de- vice could resolve. The value of h ̄ is 1.0552×10−34 J·s.
Answer in units of pm.

What must the energy of each neutron in a beam of neutrons be in order to resolve the same size of object?
Answer in units of eV.
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