MCQ
A proton, a neutron, an electron and an $\alpha\,-$particle have same energy. If $\lambda_{ p }, \lambda_{ n }, \lambda_{ e }$ and $\lambda_{\alpha}$ are the de Broglie's wavelengths of proton, neutron, electron and $\alpha$ particle respectively, then choose the correct relation from the following
- A$\lambda_{ p }=\lambda_{ n }>\lambda_{ e }>\lambda_{\alpha}$
- ✓$\lambda_{\alpha}<\lambda_{ n }<\lambda_{ p }<\lambda_{ e }$
- C$\lambda_{ e }<\lambda_{ p }=\lambda_{ n }>\lambda_{\alpha}$
- D$\lambda_{ e }=\lambda_{ p }=\lambda_{ n }=\lambda_{\alpha}$
