Chapter 39, Problem 30P

(a)

To determine

Show that ${\left(\frac{f}{c}\right)}^2=\frac{1}{{\lambda }^2}+\frac{1}{{\lambda }_C^2}$ for the moving quantum particle.

(b)

To determine

Whether it is possible for a particle of nonzero mass to have equal wavelength and frequency like a photon.