Question

In what ways Heisenberg's uncertainty principle contradicts the concept of stationary orbit for electron as suggested by Bohr?

Answer 1

According to Heisenberg's uncertainty principle, the exact position and momentum of a moving electron in the orbit can not be determined simultaneously.

bohr said that electrons travel in orbits (fixed paths), but uncertainty principal states that position and momentum of an electron can not be predicted

so we can only guess the position of electron by probability there is no fixe path but orbitals(areas where probability to find an electron is high)

so uncertainty principal contradicts the bohr's orbits.