1. Tardigrade
  2. Question
  3. Chemistry
  4. If the following matter waves are travelling with same speeds, the longest wavelength is for

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. If the following matter waves are travelling with same speeds, the longest wavelength is for

Solution:

de-Broglie equation, $\lambda=\frac{h}{mv}$
v= constant
$\therefore \lambda \propto\frac{1}{m}$
Correct order of masses : $m_{\alpha}>\,m_{n}>\,m_{p}>\,m_{e}$
$\therefore $ correct order of wavelength : $\lambda_{\alpha}<\,\lambda_{n}<\lambda_{p}<\,\lambda_{e}$