1.

The kinetic energy of electron and proton is \[{{10}^{-32}}J\]. Then the relation between their de-Broglie wavelengths is

A. \[{{\lambda }_{p}}<{{\lambda }_{e}}\]
B. \[{{\lambda }_{p}}>{{\lambda }_{e}}\]
C. \[{{\lambda }_{p}}={{\lambda }_{e}}\]
D. \[{{\lambda }_{p}}=2{{\lambda }_{e}}\]
Answer» B. \[{{\lambda }_{p}}>{{\lambda }_{e}}\]


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