In hydrogen atom the kinetic energy of electron is 3.4 eV. The distance of that electron from the nucleus

In hydrogen atom the kinetic energy of electron is 3.4 eV. The distanc

1.	In hydrogen atom the kinetic energy of electron is 3.4 eV. The distance of that electron from the nucleus
Answer» `2.11 A^@` `0.529 A^@` `1.587A^@` `21.16A^@` SOLUTION :3.4 eV is KE .` e^-` in `2^(nd)` ORBIT `THEREFORE r = 4(0.529) A^@ = 2.116 A^@`