JEE Main 2021 Physics question

Find out the surface charge density at the intersection of point x = 3 m plane and x-axis, in the region of uniform line charge of 8 nC/m lying along the z-axis in free space.

• (A)0.424 nC Correct
• (B)47.88 C/m
• (C)0.07 nC
• (D)4.0 nC