Quantum assemblies behave as classical ones at all temperatures low pressures very high temperatures very low temperatures

Q: Where is the lowest possible energy location in the electron cloud model pictured below

A: Use Bohr’s atomic model to determine the lowest possible energy location. According to Bohr’s atomic…

Q: Dimension for Planck's constant

A: Planck's constant (h) is: 6.62607015 × 10-34 kg.m2 s

Q: Complete the table below. 5Ω Μ Μ 18 Ω Μ 10V Μ 40 Ω 6Ω

A:

Q: deBroglie was awarded a Nobel prize because... (Select all that apply). Einstein liked his thesis.…

A: de Broglie hypothesis states that matter behaves like wave.

Q: Im unable to understand where the 9R^2-4R^2 came from on the 3rd line on writing.

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Q: Parallax Measurement error random errors in the measurement procedure are minimized The space…

A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: Atom Electron Cloud

A: Hi, we know that The nucleus is a collection of particles called protons ( p ), which are positively…

Q: The word "quantum" in quantum mechanics refers to:

A: Quantum Mechanics is a theory of matter that is based on the concept of the possession of wave…

Q: Which of the following electron transitions will emit a photon in the visible spectrum

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Q: * ? Which of the following numbered parts is the electron gun to TY Benne Scaing sOcsconered Eectron…

A: Introduction: An electron gun is a device that generates a collimated beam of electrons which have a…

Q: Name the modern uses and applications for quantum entanglement

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Q: Calculate the energy of the first 4 photons emitted in the balmer series of the hydrogen spectrum.…

A: To find : The energy of first 4 photons emitted in balmer series of hydrogen spectrum

Q: MODULE: From the Universe to the AtomTOPIC: Origins of the Elements (II)QUESTION: Describe the…

A: Nuclear fusion is the process which lighter nuclei combine to form larger nuclei. It is a…

Q: Select an appropriate statement that describes the de Broglie hypothesis. Select one: a. Just as…

A: According to the de-Broglie hypothesis, all matters have a wave as well as particle nature. Its…

Q: 70 3Ga element: atomic #: # neutrons: # electrons: 31 15 p3- element: atomic #: # electrons: atomic…

A: Solution: To find element name, atomic mass, neutron, proton and electron

Q: If atoms exist, why can’t we see them with visible light?

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Q: Describe the experimental evidence for matter waves by including an experiment in which the wave…

A: The Davisson-Germer Experiment revealed the electron's wave character, validating deBroglie's…

Q: A red laser with wavelength 633 nm emits 1.92kW of power. The number of photons emitted per second…

A:

Q: 1) Electrons being shot one at the time 2) Photons being shot one at the time. 3) A laser (contains…

A: A Double-slit experiment uses two coherent sources of light placed at a small distance apart,…

Q: MCQ 22: The beam of electrons can be produced with the help of A. anode-ray tube B. cathode-ray tube…

A:

Q: The Bohr model of the atom was used before the advent of quantum mechanics. Name three shortcomings…

A: The shortcomings of Bohr model are: 1. The model could not account for the spectra of atoms more…

Q: Calculate the energy separations in joules, kilojoules per mole, electronvolts, and reciprocal…

A: We know that,  Energy in nth state of an dimensional box is given by ,  En = ( n2h2 ) / (8meL2)…

Q: Why is it useful to create an assembly of very slow-moving cold atoms?A. The atoms can be more…

A: Assembly of very slow-moving cold atoms can be created by lowering the temperature of a material.

Q: Quantum Physics tells us that the world is deterministic, meaning the exact outcome of any physical…

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Q: Erg cross Sec is the unit of   A) Angular momentum B) Linear Momentum C) Planck's constant D) Energy

A: Plank constant can be expressed as, h=Ef

Q: Describe the wave nature of light (electromagnetic radiation) and the particle nature of light.

A: Light:- Light is defined as the electromagnetic radiation (wave nature) or transverse radiation…

Q: the subatomic particles effect the propertie

A: A Subatomic particle is nothing but a particle that is smaller than an atom in size. An atom can be…

Q: Describe at least four historical developments which led to the development of modern Quantum…

A: Major historical developments which leads to the development of Quantum mechanics started from early…

Q: if the energy = 4.5 KJ, calculate the wavelength a.) 4.42 x 10 ^ -29 m b.) 4.42 x 10 ^ -39 m c.)…

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Q: State the postulates of quantum mechanics.

A: Postulate I : The state of the quantum mechanical system is completely mentioned by the wave…

Q: A hydrogen atom is 0.53 angstrom in radius. Use the uncertainty principle to estimate the minimum…

A: Uncertainity principle was the first big step towards quantum world. It was this principle which led…

Q: Choose the BEST answer to the following. The discrete orbits of electrons is best understood when…

A: Electrons orbit in only certain orbits because according to quantum mechanics, the electrons are…

Q: 10 15 20 25 .001 in. 8 9 Mitutoyo o 10 20 30 40 50 60 70 80 MADE IN JAPAN O 1 2 3 4 5 6 7 0.02mm LO

A: Main scale = 25mm  Least count = 0.02mm n = 15 (vernier scale reading coincides with the main scale…

Q: The characteristic wavelengths of light absorbed by and emitted from an atom is known as the atom's:…

A:

Q: A quantized item Multiple Choice has possible values that are limited to a discrete set. applies…

A: UNIT , DIMENSION AND ERROR

Q: IR radiation can... ionize atoms. cause valence e-1 transitions. induce rotations in molecules.…

A: Required : Infra red radiation can ..

Q: In a hydrogen atom, an electron has moved from the orbital of its energy level (-0.54ev) to the…

A: We have two energy levels say n1 and n2 having energies En1=-0.54 eV and En2=-1.51 eV. We need to…

Q: Distinguish between classical physics and quantum physics.

A: In classical physics, the events are continuous. It deals with the motion of macroscopic particles…

Q: The energy that makes the maximum kinetic energy of the emitted electrons has stopped. A. Photon…

A: Explanation-: The energy that makes the maximum kinetic energy of the emitted electrons has stopped.…

Q: 1kWH = .........J A) 3.6×10^-8 B) 3.6×10^-6 C) 3.6×10^8 D) 3.6×10^6

A: The SI unit of energy is Joule and the commercial unit of energy is KWh.

Q: A laser produces 22.0 mW of light. In 4.00 hr, the laser emits 7.08×10^20 photons.What is the…

A:

de Broglie Equation

The sketch of matter waves is drawn below: