NDA 2026 Physics question
Consider the following : I. Gravitational field due to a spherical body II. Electrostatic field due to a point charge III. Strong nuclear force field due to a proton IV. Magnetic field due to a bar magnet How many of the above follow the inverse square law ?
Answer: (B)
Solution
The gravitational field outside a spherical body and the electrostatic field of a point charge both fall off as . The strong nuclear force is short-ranged
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account