MCQOPTIONS
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MCQOPTIONS
| 1. |
An electron, a proton and an alpha particle have kinetic energies of 16E, 4E and E respectively. What is the qualitative order of their de-Broglie wavelengths? |
| A. | \[{{\lambda }_{e}}>{{\lambda }_{p}}={{\lambda }_{\alpha }}\] |
| B. | \[{{\lambda }_{p}}={{\lambda }_{\alpha }}={{\lambda }_{e}}\] |
| C. | \[{{\lambda }_{p}}>{{\lambda }_{e}}>{{\lambda }_{\alpha }}\] |
| D. | \[{{\lambda }_{\alpha }}<{{\lambda }_{e}}>{{\lambda }_{p}}\] |
| Answer» B. \[{{\lambda }_{p}}={{\lambda }_{\alpha }}={{\lambda }_{e}}\] | |