On what principle does the quantum mechanics is based?

There are basically fOUf important principles of quantum mechanics, proven experimentally and which apply to the behavior of nuclear particles at small distances: the quanta of electromagnetic energy, the uncertainty principle, the Pauli exclusion principle, and the wave theory of particles of matter.

How was the uncertainty principle discovered?

Heisenberg conducted a thought experiment as well. He considered trying to measure the position of an electron with a gamma ray microscope. Heisenberg outlined his new principle in 14-page a letter to Wolfgang Pauli, sent February 23, 1927. In March he submitted his paper on the uncertainty principle for publication.

Where did the laws of quantum mechanics come from?

Quantum mechanics arose gradually from theories to explain observations which could not be reconciled with classical physics, such as Max Planck’s solution in 1900 to the black-body radiation problem, and the correspondence between energy and frequency in Albert Einstein’s 1905 paper which explained the photoelectric …

What is the uncertainty principle in quantum mechanics?

uncertainty principle, also called Heisenberg uncertainty principle or indeterminacy principle, statement, articulated (1927) by the German physicist Werner Heisenberg, that the position and the velocity of an object cannot both be measured exactly, at the same time, even in theory.

How did the uncertainty principle and concept of spin give rise to the quantum mechanical model?

The Heisenberg uncertainty principle states that we can’t know both the energy and position of an electron. Electrons have an intrinsic property called spin, and an electron can have one of two possible spin values: spin-up or spin-down. Any two electrons occupying the same orbital must have opposite spins.

Who discovered quantum mechanical model?

Erwin Schrödinger
Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves.