What is the uncertainty principle with respect to momentum and position?

Q: Largeness or smallness has meaning only relative to something else. Why do we usually call the speed…

A: Given:  Light is large and Plank's constant is small

Q: Does the uncertainty principle tell us that we can never know anything for certain?

A: Heisenberg's uncertainity principle states that product of uncertainity in position and momentum is…

Q: Does the correspondence principle have application to macroscopic events in the everyday macroworld?

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Q: If measurements show a precise position for an electron, can those measurements show precise…

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Q: What two pieces of evidence allowed the first calculation of me, the mass of the electron? Justify…

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Q: What evidence can you cite for the wave nature of particles?

A: Given: wave nature of light

Q: Max Planck proposed his constant h to relate the energy of a photon to its frequency. Calculate the…

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Q: Explain the Elements of Quantum Mechanics ?

A: it is to be noted that Quantum mechanics is a field of science which is used for managing the…

Q: What do you mean by the term uncertainty in momentum?

A: The term uncertainty in momentum means that it is not possible to obtain the momentum of a particle…

Q: Is there any measurable difference between the momentum of a photon and the momentum of matter?

A: In special theory of relativity the expression used to find the momentum of the photon with and…

Q: Why don’t we feel the momentum of sunlight when we are on the beach?

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Q: h has - If h is Planck's constant and A is wavelength, dimensions of (a) momentum · (c) mass (b)…

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Q: We don’t notice the wavelength of moving matter in our common experience. Is this because the…

A: When matter is with very small wavelength, that matter will show particle nature not the wave…

Q: Provide modern applications for quantum entanglement in our world.

A: Hence first of all we have to understand quantum entanglement.    1. In the field of quantum…

Q: Why do we need a picture of quantum mechanics. Explain?

A: Given question based on quantum mechanics

Q: How are the concepts of wave function and electron density used to describe the position of an…

A: In quantum mechanics, the physical state of an electron is described by a wave function. According…

Q: How can photon have momentum without mass?

A: We know,

Q: Write the relativistic quantum wave equation ( the Ken Gordon equation )

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Q: Is 34 steps a scalar quanity?

A: The main basic difference between a scalar and vector is :  " The scalar always have a magnitude…

Q: Exactly what is it that “corresponds” in the correspondence principle?

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Q: Calculate the momentum of a 0.5-MeV electron

A: Relationship between Kinetic Energy and Momentum of a particle is, P = √(2mE) where, P = momentum m…

Q: What is Quantum Mechanics possible implications in the future

A: Quantum Mechanics possible implications in the future   (1)In the field of discovery of new…

Q: How does quantum theory allow a rock to turn suddenly into a duck?

A: Practically, quantum theory does not validate that a rock might suddenly turn into a duck. This is…

Q: the wavelength,

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Q: An electron (in a hydrogen atom) initially has momentum (magnitude) = 4.98 x 10-25 kg•m/s. The…

A: initial momentum of electron (pi) = 4.98×10-25 kg msmomentum of photon absorbed = 3.41×10-28 kg ms

Q: When you flip a coin, the outcome is uncertain. Does this arise from quantum uncertainty?

A: Coin is too big a system for quantum uncertainty to show up.

Q: Describe the Uncertainty Principle?

A: Uncertainty principle is also called indeterminacy principle. In quantum physics, according to…

Q: Using Heisenberg’s uncertainty principle, calculate the uncertaintyin the position of (a) a 1.50-mg…

A: a) Mass of mosquito (m) = 1.50 mg = 1.5×10-6 kg speed (v) = 1.40 m/s uncertainity in speed (∆v) =…

Q: State the postulates of quantum mechanics.

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

Q: Photons have a rest mass of zero. How can they have a non-zero momentum if this is the case?…

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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: What do the Quantum mechanics explain?

A: Quantum mechanics explains the phenomenon like the dual nature of an electron (particle), The…

Q: If matter has a wave nature, why is this wave - like characteristic not observable in our daily…

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Q: How does the maximum kinetic energy of the emitted photoelectrons depend on the frequency of light?

A: We know that einstein's photoelectric equation says, KEmax = hν - φ.  Where h = planck constant ν =…

Q: What is the wavelegth of a particle when traveling at 3.7 e 6 m/s and the mass is 8.66 e -12 Kg?

A: According to de Broglie, a particle can be described as wave whose wavelength  is given by λ = h /…

Q: What exactly is meant by the term "quantum physics"?

A: Quantum physics is the study of matter and fundamental level energy. It is used to disclose the…

Q: The Heisenberg Uncertainty Principle Is a consequence of matter being both waves and particles as…

A: Uncertainty principle, also called Heisenberg uncertainty principle or indeterminacy principle,…

Q: What is a matter wave?

A: According to dual nature of matter all matter has both particle and wave nature.The waves associated…

Q: What is different between classical quantum mechanical and classical mechanics?

A: Difference between classical mechanics and quantum mechanics:

de Broglie Equation

The sketch of matter waves is drawn below: