Question

Atory
1.
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/a (where 1 is wavelength
associated with electron wave) is given by
(a) me V
(b) 2meV
(c) meV (d) J2meV
(2016)​

Answer 1

Answer:

2mev is the answer to the question

Answer 2

Answer:

the ans is correct given by the above one