Which of the Following Particles Has the Longest Wavelength?
A)a $\times$

Multiple Choice

Which of the following particles has the longest wavelength?

A) a photon with a frequency of 3 $\times$ 10¹⁹ Hz
B) a photon with an energy of 2 $\times$ 10^-13 J
C) an electron with a momentum of 6.6 $\times$ 10^-21 kg · m/s
D) a proton with a momentum of 6.6 $\times$ 10^-21 kg · m/s
E) all four have the same wavelength