1.If I0I_0I0 is the intensity of the principal maxima in a Fraunhofer single slit diffraction pattern, then what will be the intensity of the first secondary maxima?a.25π2 I0\dfrac{2}{5\pi^2}\,I_05π22I0b.19π I0\dfrac{1}{9\pi}\,I_09π1I0c.35π2 I0\dfrac{3}{5\pi^2}\,I_05π23I0d.49π2 I0\dfrac{4}{9\pi^2}\,I_09π24I0Login to continueOnly logged in users canattempt or see the solution.