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The principle that goes against the concept of Bohr's fixed orbits is the Heisenberg Uncertainty Principle. This principle states that it is impossible to simultaneously know both the exact position and momentum of a particle, such as an electron in an atom. Bohr's model assumes that electrons can occupy fixed orbits with precise positions and momenta, which contradicts the uncertainty principle. As a result, more advanced quantum mechanical models, like the Schrödinger equation, provide a better description of electron behavior in atoms.
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Why does the concept of Bohr orbits violate the uncertainty principle?
The Bohr Model of a single-electron atom assumes that the energy levels of electron orbits are fixed due to the quantization of angular momentum of the electron while in orbit. The problem occurs because angular momentum depends on both the radius of the orbit and the velocity of the electron in that orbit. If one or the other is uncertain, then it is impossible to know the angular momentum. Heisenberg showed that either one or the other MUST be uncertain. If we are certain about the radius, we MUST have uncertainty about the velocity -- and vice-versa. Thus, angular momentum of an orbting electron can NOT be quantized, because it can not be known.
Did niels bohr discover orbits of electrons?
Yes, Niels Bohr proposed the idea of quantized electron orbits around the nucleus in his atomic model in 1913. He suggested that electrons can only occupy specific quantized orbits with fixed energy levels.
What causes the planets to revolve in fixed orbits?
Planets revolve in fixed orbits primarily due to the gravitational force exerted by the Sun, which pulls them towards it. This gravitational attraction, combined with the planets' initial velocity, creates a balance that results in stable, elliptical orbits, as described by Kepler's laws of planetary motion. Additionally, the conservation of angular momentum ensures that the planets maintain their orbits over time, preventing them from spiraling into the Sun or drifting away into space.
What is the major difference between the Bohr model and the accepted atomic model?
Bohr assumed that electrons moved in fixed orbits.
Is it true that electrons have a constant speed and move in fixed orbits around the nucleus?
Yes this is true
What scientist suggested that electrons have fixed orbits?
Niels Bohr proposed the idea that electrons have fixed orbits around the nucleus of an atom in his model of the atom in 1913. This concept helped to explain the stability of atoms and the spectral lines observed in hydrogen.
Why does the concept of Bohr orbits violate the uncertainty principle?
The Bohr Model of a single-electron atom assumes that the energy levels of electron orbits are fixed due to the quantization of angular momentum of the electron while in orbit. The problem occurs because angular momentum depends on both the radius of the orbit and the velocity of the electron in that orbit. If one or the other is uncertain, then it is impossible to know the angular momentum. Heisenberg showed that either one or the other MUST be uncertain. If we are certain about the radius, we MUST have uncertainty about the velocity -- and vice-versa. Thus, angular momentum of an orbting electron can NOT be quantized, because it can not be known.
What is a fixed percent of a principle?
It is a fixed rate of simple interest.
What moved in fixed orbits around the nucleus in Bohr's model of a the atom?
Electrons moved in fixed orbits around the nucleus in Bohr's model of the atom. These orbits were quantized, meaning they had specific energy levels, and electrons could jump between these orbits by either absorbing or emitting energy.
What atom has an electron cloud instead of orbiting electrons?
All atoms of all elements have electrons in the electron cloud (better known as orbitals). The concept of orbits (electrons moving in fixed paths) is now replaced by orbitals.
What would happen if the planets did not move in their fixed path?
If the planets did not move in their fixed orbits they may dash each other.
How do the members of the solar system revolve around thr sun?
in fixed orbits
What is the major difference the bohr model and the currently accepted atomic model?
Bohr assumed that electrons moved in fixed orbits.
What are epicycles?
In ancient astronomy, epicycles were imaginary circles within orbits used to explain the retrograde motion of planets. The concept was developed to account for the observed movements of planets in the sky.
Can earth bump into another planet?
NO. All the planets are in (more or less) fixed orbits.
What is the principle of car steering?
IT WORKS in the principle of rotatory motion because it has a fixed point around which steering rotates
Why you have depreciation?
Depreciation is used to allocate the fixed cost of asset to specific fiscal years during which that fixed asset is used to earn revenue if depreciation is not used then all cost is charged to one fiscal year which is against the matching concept.
