Two narrow slits are apart

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Two narrow slits are

0.50\,\text{mm}

apart. They are illuminated by light of wavelength

600\,\text{nm}

. Determine the approximate angular position (in degrees) of the third dark fringe on one side of the central maximum. (a)

0.26^{\circ}

(b)

0.11^{\circ}

(c)

0.17^{\circ}

(d)

0.34^{\circ}