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Quantum Mechanics
Page 5
Questions (730)
Subatomic particles can be both wavelike and particulate solid is the duality principle
1 answer
asked by
Rondezy
66 views
pls?
1 answer
asked by
Abbchu
166 views
A molecule in a laser trap is confined to a region of 1um( micrometer). An incoming photon of known energy is scattered off it
1 answer
asked by
Omar
331 views
As asked by my professor for homework:
Taking into account the varying degrees at which antimatter can form and function as
1 answer
asked by
DrBob222
229 views
Given 4,0,2,+1/2, indicate why this set of quantum numbers could not occur
I am unsure why this quantum number cannot occur, it's
1 answer
asked by
gabeitch
451 views
Identify the limits of the generality of the
expressions qR � kT/�hB, qV � kT/h�, and qE � gE, where gE is the degeneracy of the
1 answer
asked by
vigneshwaran.G
384 views
What strange miracles are there?
3 answers
asked by
yeeee
392 views
If a proton were traveling the same speed as electrons in a TV picture tube (about 7.8 107 m/s), what would its de Broglie
1 answer
asked by
John
770 views
1. Calculate the transition ratio between the 2P-1S and 3P-2S states of the hydrogen.
2. Find the first order correction in the
1 answer
asked by
Carol
407 views
calculate the De Broglie wavelength of 0.5kev of electron?
1 answer
asked by
wande
403 views
Write the values of the four quantum numbers when n=4
3 answers
asked by
Nathaniel Benson
25 views
26.Use Russell-Saunders LS coupling to derive the ground state levels of (a) Ne
(b) F (c) Sc (d) Zr (e) C. 30. a. Construct a
3 answers
asked by
SOS
609 views
Problem:
What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a
3 answers
asked by
Dom
626 views
Electronic band structures are caused by electron-electron interactions between neighboring atoms. The greater the degree of
1 answer
asked by
Mat. Science
446 views
use Rydbuz equation to calculate the
wavelength of the third line in the paschen series of the hydrogen spectrum.give ur answer
1 answer
asked by
weryiyemi
375 views
Use Rydbuz equation to calculate the
wavelength of the third line in the paschen series of the hydrogen spectrum.give ur answer
1 answer
asked by
weryiyemi
383 views
Calculate the deBroglie wavelength of a^ 87Rb atom that has been laser cooled to 120 µK. (Assume that the kinetic energy is
1 answer
asked by
gourav
434 views
On the subatomic level, the uncertainty principle creates situations in which ___________ does not apply.
1 answer
asked by
MM
347 views
Define quantum
2 answers
asked by
Jst
754 views
Which sets of the wuantum numbers are not allowed in the hydrogen atom? For the sets that are incorrect state what is wrong with
1 answer
asked by
Maxx
436 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a
4 answers
asked by
Anisha
909 views
How many different photons (photons of different frequencies) can be emitted as a hydrogen atom in the fifth excited state falls
2 answers
asked by
Linsey
599 views
You are doing a Ramsey experiment as described in the lecture:
You prepare a beam of atoms in a state |1⟩, you do a π/2 pulse
1 answer
asked by
Abd
373 views
If the n = 3 to n = 4 transition for a certain particle-in-a-box system occurs at 4.00
x 10^13 s -1 , find the frequency of the n
1 answer
asked by
Lorin
408 views
1. Given the following set of quantum numbers: 3py -1/2. A chemistry student claims that this represents a peanut-shaped
1 answer
asked by
Sophia
472 views
An electron has a speed of 500 m/Sec with uncertainty of 0.002% what is the uncertainty in position?
2 answers
asked by
Rahul
597 views
need helppp.
Find the energy of an x-ray photon that can impart a maximum energy of 50 keV to an electron by Compton collision.
1 answer
asked by
paul
688 views
Q: Identify all that is incorrect about the set of four quantum numbers and explain why. {-3, 2, 1, 1/2}
A. -3 because there
2 answers
asked by
Anonymous
564 views
Science:
The collapse of atoms into a single quantem state
1 answer
asked by
Awdhesh
330 views
An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of
3 answers
asked by
ash
844 views
Problem 4: Variational principle and bounds (3 parts, 30 points)
PART A (15 points possible) Consider a particle of mass m in a
1 answer
asked by
JuanPro
514 views
Problem 3: Rotating a spin state (3 parts , 15 point)
PART A (6 points possible) Consider the |+⟩ state of a spin one-half
1 answer
asked by
JuanPro
400 views
Consider a particle with mass m bound to a potential v(x) = k^2|x|. Using the WKB
quantization condition, find the energy
1 answer
asked by
physics
302 views
Which set of quantum numbers(n, l, ml, ms) could describe the highest-energy electron in a ground-state potassium ion, K?
a) (4,
3 answers
asked by
France
1,974 views
Calculate the allowed wavelengths for the emission of a photon initially in the n=3 state in a hydrogen atom
3 answers
asked by
Sarah
459 views
A gamma ray with 700KeV energy is Compton-Scattered from an electron. Find the energy of the photon scattered at 110 degrees,
2 answers
asked by
Sarah
708 views
A deutron is moving with a speed of 2*10^8m/s. Find the wavelength of the matter wave associated with it?
1 answer
asked by
iti mathur
783 views
- Matter is made of charged particles
- The motion of charged particles produces electromagnetic waves - Since light is an
1 answer
asked by
lost physics 2 student
471 views
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
2 answers
asked by
Mary
1,018 views
The Heisenberg Uncertainty Principle:
A student is examining a bacterium under the microscope. The E. coli bacterial cell has a
1 answer
asked by
Anna
671 views
When you touch an object, does the electrons from your hand exchange photons with the object?
1 answer
asked by
Anonymous
336 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a
1 answer
asked by
Katie
469 views
How many possible orbitals are there for n=10?
5 answers
asked anonymously
53 views
For copper, take N/V =8.5×10^28m^-3, h=6.62×10^-34Js, and me =9.1×10^-31kg to calculate Fermi energy.
1 answer
asked by
gourav
431 views
Suppose a particle has wavefunction ψ(x,t=0)=Aexp(−x22l2). What is the average value (expectation value) of p^, ⟨p^⟩, for
1 answer
asked by
sonia
376 views
What is the probability current density of a particle with wavefunction ψ(x,t)=exp(iℏ(px−Et))?
1 answer
asked by
sonia
319 views
Suppose we have a particle in 1-dimension, with wavefunction Ae−|x|2d. What is the probability to find the particle in the
1 answer
asked by
sonia
376 views
The ground state wavefunction for a particle in a shallow potential well in 1 dimension is of the form: Ae−|x|2d. Given that
1 answer
asked by
sonia
412 views
8(a) Consider a spin qubit in the state 3�ã2|0⟩+12|1⟩. What are the coordinates (ƒÆ,ϕ) of this qubit on the Bloch
13 answers
asked by
Anonymous
491 views
Now suppose we start with the qubit |ø(0)⟩=|0⟩ and we apply a magnetic field in the x^ direction at t=0. This corresponds
1 answer
asked by
Anonymous
400 views
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