JEE Previous Year Question

The electric field in a region is given by $E=(\frac{3}{5}{E}_{0}i+\frac{4}{5}{E}_{0}j)\frac{N}{c}$ . The ratio of flux of reported field through the rectangular surface of area 0.2 m² (parallel to y – z plane ) to that of the surface of area 0.3m² (parallel to x-z plane ) is a: b, a = where ____ (round off to nearest integer) [Here, $i\text{,}j$ and $k$ are unit vectors along x, y and z axes respectively]

Topic: JEE PYQ

Answer: 1. Full step-by-step solution below.