1.

An electron of mass m when accelerated through a potential difference V has de-Broglie wavelength \[\lambda \]. The de-Broglie wavelength associated with a proton of mass M accelerated through the same potential difference will be [CBSE PMT 1995; EAMCET 2001; J & K CET 2004]

A.            \[\lambda \frac{m}{M}\]
B.            \[\lambda \sqrt{\frac{m}{M}}\]
C.            \[\lambda \frac{M}{m}\]
D.            \[\lambda \sqrt{\frac{M}{m}}\]
Answer» C.            \[\lambda \frac{M}{m}\]


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