39 A plane wavefront 6 x 10 7 m falls on a slit 0 4 m wide A

Last updated: 6/25/2023

39 A plane wavefront 6 x 10 7 m falls on a slit 0 4 m wide A convex lens of focal length 0 8 m placed behind the slit focuses the light on a screen What is the linear diameter of second maximum a 6 mm c 3 mm b 12 mm d 9 mm