The direction of the second maximum in the Fraunhofer diffraction pattern at a single…

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

Problem

The direction of the second maximum in the Fraunhofer diffraction pattern at a single slit is given by (

a

is the width of the slit): (a)

a\sin\theta=\frac{\lambda}{2}

(b)

a\cos\theta=\frac{3\lambda}{2}

(c)

a\sin\theta=\lambda

(d)

a\sin\theta=\frac{3\lambda}{2}