Which of the following actions will increase the de Broglie wavelength of a speck of dust? (There could be more than one correct choice.)
A) Decrease its mass.
B) Decrease its speed.
C) Increase its mass.
D) Increase its speed.
E) Decrease its momentum.

Question

Quizplus · Accepted Answer

The de Broglie wavelength is inversely proportional to momentum (mass times velocity). Decreasing mass, speed, or momentum will increase the wavelength.

Which of the Following Actions Will Increase the De Broglie