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

PHYSICS · Single correct · CBSE · Physics · Wave Optics · Wave Optics

Problem

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}

(b)

1.07\,\text{mm}

(c)

0.60\,\text{mm}

(d)

0.45\,\text{mm}