The wavelength $\lambda_e$ of an electron and $\lambda_p$ of a photon of same energy E are related by -

Question

( A ) $\lambda_p \propto \frac{1}{\sqrt{\lambda_e}}$
( B ) $\lambda_p \propto \lambda_e^2$
( C ) $\lambda_p \propto \lambda_e$
( D ) $\lambda_p \propto \sqrt{\lambda_e}$