JEE Main 2020 Physics question

PhysicsElectrostatic Potential and CapacitanceJEE Main 2020

Two identical electric point dipoles have dipole moments and and are held on the x axis at distance 'a' from each other. When released, they move along the x-axis with the direction of their dipole moments remaining unchanged. If the mass of each dipole is 'm', their speed when they are infinitely far apart is:

Answer: (C)

Solution

Question ID VK-012861