Physics

Problem

Two identical protons travel in opposite directions. Proton A moves at

3.0\times10^{5}\,\text{m/s}

and proton B at

6.0\times10^{5}\,\text{m/s}

. Calculate the ratio

\lambda_A/\lambda_B

of their wavelengths. (Constant:

m_p = 1.67\times10^{-27}\,\text{kg}