JEE Main & Advanced
Physics
Wave Optics / तरंग प्रकाशिकी
Question Bank
Numerical Value Type Questions - Polarization
question_answer
Fraunhofer diffraction pattern is observed at a distance of 2 m on screen, when a plane wavefront of \[6000{\AA}\]is incident perpendicularly on 0.2 mm wide slit. Width (in mm) of central maxima is?