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 .

Options

A. electron gun voltage be increases
B. electron gun voltage be decreased
C. the slit be moved away
D. the screen be moved closr to interfering slits.

Explanation

To solve the problem of increasing the fringe width in an experiment similar to Young's double-slit experiment using electrons, we can follow these steps:

### Step 1: Understand Fringe Width Formula
The fringe width (β) in a double-slit experiment is given by the formula:
\[ \beta = \frac{\lambda D}{d} \]
where:
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