MHT CET202123 Sep 2021Evening ShiftPhysicsElectrostaticsActual
In hydrogen atom an electron revolves around a proton (in nucleus) at a distance ' r ' m . the intensity of electric field due to the proton at distance ' r ' is 5 10¹¹ NC ⁻¹ , the magnitude of force between the electron and proton is [charge on electron =1.6 10⁻¹⁹ C ]
Options
- A4 10^8 ~N
- B8 10^8 ~N
- C4 10⁻⁸ ~N
- D8 10⁻⁸ ~N
Correct answer
D. 8 10⁻⁸ ~N
Step-by-step solution
aligned & F=q E=1.6 10⁻¹⁹ 5 10¹¹ & =8 10⁻⁸ ~N aligned