What Kinetic Energy Must Each Neutron in a Beam of Neutrons

question 33

Multiple Choice

What kinetic energy must each neutron in a beam of neutrons have if each has a wavelength of 0.10 nm? The mass of a neutron is 1.67 × 10^-27 kg.

• A)6.6 × 10^-19 J
• B)1.3 × 10^-20 J
• C)2.6 × 10^-20 J
• D)6.3 × 10^-20 J
• E)7.1 × 10^-20 J

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