Which of the following statements is not true about Gauss’s law?

Question:Which of the following statements is not true about Gauss’s law?

1.Gauss’s law is true for any closed surface.

2.The term q on the right side side of Gauss’s law includes the sum of all charges enclosed by the surface.

3.Gauss’s law is not much useful in calculating electrostatic field when the system has some symmetry.

4.Gauss’s law is based on the inverse square dependence on distance contained in the coulomb’s law

Answer:3