Physics

Problem

The fringe width in a Young’s double-slit experiment performed in air is

0.80\,\text{mm}

. If the space between the slits and the screen is completely filled with water of refractive index

\dfrac{4}{3}

(all other settings unchanged), what will be the new fringe width? a)

0.80\,\text{mm}

1.07\,\text{mm}

0.60\,\text{mm}

0.45\,\text{mm}