JEE Mains 2020 Model Paper 4 New Pattern

Question : 17 of 75

Marks: +1, -0

If potential energy between a proton and an electron is given by |U| = ke2∕2R3, where e is the charge of electron and R is the radius of atom, then radius of Bohr’s orbit is given by (h = Planck’s constant, k = constant)