Calculate the 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

Question

Quizplus · Accepted Answer

The de Broglie wavelength is calculated using λ = h / (mv). Substituting the given values, λ = 6.63 × 10^-34 J·s / (1.675 × 10^-27 kg × 2 m/s) = 1.98 × 10^-9 m, which is equivalent to 198 nm.

Calculate the Wavelength of a Neutron That Has a Velocity