Question
In a Fraunhofer diffraction experiment at a single slit using light of wavelength 400 nm, the first minimum is formed at an angle of $30^\circ$. The direction $\theta$ of the first secondary maximum is given by?
In a Fraunhofer diffraction experiment at a single slit using light of wavelength 400 nm, the first minimum is formed at an angle of $30^\circ$. The direction $\theta$ of the first secondary maximum is given by?