When a certain beam of neutrons has kinetic energy

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

36\,\text{eV}

, the de Broglie wavelength read from a plotted curve is

0.20\,\text{nm}

. Using the same curve, what wavelength should be expected when the kinetic energy is increased to

144\,\text{eV}

? (a)

0.15\,\text{nm}

(b)

0.05\,\text{nm}

(c)

0.10\,\text{nm}

(d)

0.40\,\text{nm}