A Neutron Has a Mass of 1

question 33

Multiple Choice

A neutron has a mass of 1.67 *10-27 kg.Its de Broglie wavelength is 1.4 * 10-10 m.What is its kinetic energy (in eV) ?

• A)4
• B)0.4
• C)0.04
• D)40
• E)0.08

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