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An electron of mass me and a proton of m...

An electron of mass `m_e` and a proton of mass `m_p` are accelerated through the same potential difference. The ratio of the de Broglie wavelength associated with an electron to that associated with proton is

A

`m_p/m_e`

B

1

C

`sqrt(m_p/m_e)`

D

`m_e/m_p`

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