The minimum uncertainty in the energy state of a stom if an electron remains in the state for about 10* s is approsimastely (A) 3.3 x 10* eV (B)3.3 x 10" eV (C) 3.3 x 10" eV (D) 3.3 x 10° eV

Q: Y = (-)"4 A particle is in a state evaluate the uncertainty product Ax Ap, . Hint: 1.3..(2n – 1)V7…

A: Here given a wave function . We have to evaluate the uncertainty product dxdpx.

Q: Question 1 A rectangular object has length I=32.9±0.4, width w=23.8±0.2. What is the absolute…

A:

Q: When a particle of mass 9.1 x 10-28 g in an infinite square well goes from the 5 level to the n = 2…

A: Given  mass m=9.1×10-31 kg Frequencu f=6×1014 s-1 n2=5  , n1=2

Q: A photon of frequency 1.2 x10!5 Hz incident on a metal plate and just kncoked off an electron but…

A:

Q: The speed of an electron is known to be between 3.0 x 106 m/s and 3.2 x 106 m/s. Estimate the…

A: Given: The range of electron's speed is 3.0×106 m/s to 3.2×106 m/s.

Q: Originally, a H-atom is in an n=8 state. The (total) energy of an electron in this state is En= eV.…

A: Given :  initial state, n = 8  wavelength of emitted photon, λ = 19062 nm

Q: An electron is confined in a harmonic potential well. A photon is emitted when the electron passes…

A: For harmonic potential well, energy of the state is given by,                 En = (n+12)ħω for 3rd…

Q: A 1.0 kg ball has a position uncertainty of 0.20 m. What is its minimum momentum uncertainty?…

A: The mass of the ball is m = 1.0 kg. The position uncertainty of the ball is ∆x=0.20 m Assume the…

Q: An electron in a rigid box is in the ground state. The system absorbs a 137.8 nm photon putting the…

A:

Q: A 24.7 eV electron has a 0.247 nm wavelength. If such electrons are passed through a double slit and…

A: Given that: The energy of the electron is 24.7 eV The wavelength is λ=0.247 nm The minimum angle is…

Q: Determine the Work Function(in eV) of gold if the smallest wavelength of light that can shine on…

A:

Q: An atom initially in an energy level with -2.59 ev emits a photon that has wavelength 480 nm. What…

A: Given data The initial energy level of the atom is Eo = -2.59 eV The wavelength of the photon…

Q: The 54.0-eV electron has a 0.167-nm wavelength. If such electrons are passed through a double slit…

A:

Q: In a pulsed laser the minimum energy uncertainty of a photon is 2.33 x 10-20 J, which is 6.70% of…

A: ΔE=Minimum energy uncertainty=2.33×10−20 J=0.067Ec=Speed of light=3×108 m/sh=Planck's…

Q: Calculate the potential required to stop all the electrons when a light of wavelength 176 nm shines…

A: Stopping voltage is,

Q: A proton is moving with a velocity of 1.5 × 10 m/s that has an uncertainty of 7.5 x 10³ m/s. What is…

A:

Q: An electron is trapped within a sphere whose diameter is 5.40×10−155.40×10−15 m (about the size of…

A: The expression for the minimum uncertainty in electron’s momentum,

Q: An electron has been accelerated by a potential difference of 100 V. If its position is known to…

A: When an electron is accelerated by a potential difference, the potential energy of the electron gets…

Q: In a nonrelativistic experiment, an electron and a proton are each located along the x-axis to…

A: From uncertainty principle, the minimum uncertainty in the x-component of the velocity of the…

Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…

A: Given Data: The lifetime of an atom is, ∆t=2.75 ms   The expression for the Heisenberg uncertainty…

Q: If an electron is moving at 2m/s with an uncertainty of 10%, what is the minimum uncertainty in the…

A:

Q: A circuit employs a silicon solar cell to detect flashes of light lasting 0.25 s. The smallest…

A:

Q: Light of wavelength

A:

Q: 4. Determine the wavelength and the angular frequency w of the laser if it has the energy 500 MeV.…

A:

Q: The minimum uncertainty in the energy state of a atom if an electron remains in the state for about…

A: Given : Uncertainity in time (∆t) = 10-8 s

Q: 4. An electron has a momentum py = 1.30 × 10-25 kg.m/s. What is the minimum uncertainty in its…

A:

Q: The following figure is an energy level diagram for a quantum system. What wavelegth is produced by…

A:

Q: In a harmonic oscillator, the spacing energy AE between the quantized energy levels is 4 eV. What is…

A:

Q: The uncertalinty in position of an electron is 6.05x10-10m. Fina the minimum uncertainty in the…

A:

Q: We are going to use Heisenberg's uncertainty principle to estimate the ground- state energy of…

A: Solution: given that ∆x = 0.0529to find the ∆p

Q: An atom initially in an energy level with -2.59 eV emits a photon that has wavelength 480 nm. What…

A:

Q: Light of wavelength 477 nm is incident on the surfaces of several different metals. For which value…

A: Wavelength of the light is 477 nm

Q: QUESTION 5 3 πχ 2πz) sin () sin () sin () Consider the case of a 3-dimensional particle-in-a-box.…

A:

Q: The kinetic energy of an electron taken from a metal having a work function W = 1.36 eV with photon…

A:

Q: A certain atom has an energy level 3.60 eV above the ground state. When excited to this state, atom…

A: Using Heisenberg's uncertainty relation, ∆E∆t≥ℏ

Q: An atom initially in an energy level with -6.42 eV absorbs a photon that has wavelength 820 nm. What…

A:

Q: 8. An electron is trapped within a sphere whose diameter is 5.20 × 10¬15 m (about the size of the…

A: It is given that, d=5.20×10-15 m

Q: A quantum simple harmonic oscillator consists of an electron bound by a restoring force proportional…

A: Given data: Proportionality constant is, k=8.99 N/m.

de Broglie Equation

The sketch of matter waves is drawn below: