Which of the following is responsible to rule out the existence of definite paths or trajectories of electrons?

Which of the following is responsible to rule out the existence of definite paths of trajectories of electrons?

Which of the following is responsible to rule out the existence of definite paths of trajectories of electrons?

Which of the following is definitely true?

Who first time ruled out the existence of definite paths of electrons ?

Who first time ruled out the existence of definite paths of electrons ?

Which out of the following compound does not exist?

The uncertainty principle is one of the basis principle of modern science. This principle rules out the existence of definite trajectroies but we continue to talk of paths of cars, balls, planets, etc., because

Which out of the following does not exist in the solid state?