Answer:
(c)Initial de-Broglie
wavelength of electron,
Force on
electron in electric field,
Acceleration
of electron,
It
is acting along negative y-axis.
The initial
velocity of electron along- -axis u Initial velocity of electron
along y -axis, Velocity of electron
after time t along x-axis,
(there is no
acceleration of electron along axis)
Velocity of
electron after time t along y-axis,
Magnitude
of velocity of electron after time t is De
? Broglie wavelength,
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