Question: The intensity of light in the Fraunhofer diffraction pattern of a single slit is I = I0 (sin /) 2 where = a sin /

The intensity of light in the Fraunhofer diffraction pattern of a single slit is I = I0 (sin γ/γ) 2 where γ = π a sin θ/λ
(a) Show that the equation for the values of -y at which I is a maximum is tan-y = -y.
(b) Determine the three smallest positive values of -y that are solutions of this equation.

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