1.

The kinetic energy of electron and proton is \[{{10}^{-32}}J\]. Then the relation between their de-Broglie wavelengths is [CPMT 1999]

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


Discussion

No Comment Found

Related MCQs