In an experiment similar to Young's experiment, interference is observed using waves associated with electrons. The electrons are being produced in an electron gun. In order to increase the fringe width
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a
electron gun voltage be increased
b
electron gun voltage be decreased
c
the slits be moved away
d
the screen be moved closer to interfering slits
answer is B.
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Detailed Solution
Fringe width β=λD2dAccording to de Broglie, wavelength[As V decreases λ increases i.e β increeases
In an experiment similar to Young's experiment, interference is observed using waves associated with electrons. The electrons are being produced in an electron gun. In order to increase the fringe width