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A stream of electrons from a heated fila...

A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu . If e and m are charge and mass of an electron respectively , then the value of `h// lambda` ( where `lambda` is wavelength associated with electron wave) is given by -

A

`sqrt(2 m e V)`

B

meV

C

2 me V

D

`sqrt( m e V)`

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