Calculate the De Broglie Wavelength of a Neutron That Has

question 7

Multiple Choice

Calculate the de Broglie wavelength of a neutron that has a velocity of 200. cm/s. (mass of a neutron = 1.675 × 10^-27 kg and h = 6.63 × 10^-34 J • s)

• A) 1.98 × 10^-9 m
• B) 216 nm
• C) 1.8 × 10⁵⁰ m
• D) 198 nm
• E) 5.05 mm

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