If electrons are used in young's double slit experiment
Classical Mechanics
Level
2
If electrons are used in young's double slit experiment and their speed is increased what will happen to the fringe width
is the fringe width is increased or decreased or it is same?
there is or was fringe's patterns
it will remain the same(fringe width)
the fringe width will decrease
the fringe width will increase
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as λ=h/\sqrt{2mK.E}. λ=h/\sqrt{m^2V^2}. as the velocity get increased the denominator will increase hence the λ will get decreased.
as fringe width=λD/d. where D=distance between slit and screen. d=distance between slits. the λ is decreased . hence fringe width will decrease .