Chapter OneEnergy Bands in SolidsQ1: If the electron energy in 2d state is -3.41 eV, how much energyneeded to rise the electron from the 1st state to 2nd state?(Ans. 10.19eV).Q2: The total energy of electron in 2nd state is -3.4eV. Find the w and thek.E in the state and what is the radius of the orbit?(Ans. -6.8eV, 3.4eV, 2.12 m).Q3: Find the wave length of the electromagnetic radiation, whichemitted, when a photon of energy (5eV) for electron trans ition from orbitto another?(Ans. 0.24um).Q4: Find the wave length of the electromagnetic radiation, which emittedfrom an atom, when two electrons jump from ( 5th to 2nd ) orbit and theother from ( 3rd to 1) orbit? Note that the ground energy equal to(-13.6eV).(Ans. 435 nm, 102 nm).Qs: Determine the frequency of the wave length which emitted from anatom has an electron transited from( 3d orbit and then from 2nd orbit to1st orbit)? Note that the ground energy equal to (-13.6ev).(Ans. 5.45 x 1014HZ, 2.92 x 1015 Hz).Q6: Determine the probability f(E) for electrons occupied in conductionband at 300°K, considering that the Fermi-level energy is below theconduction band by 0.25eV.(Ans. 1.08 x 10-5).Q7: Determine the temperature at which the probability that is empty 1%,and it's state energy below the Fermi-level by 0.3eV. Note that Ep =6.25eV?(Ans. 757° K).

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

Answered: Q1: If the electron energy in 2" state…

Q1: If the electron energy in 2" state is -3.41 eV, how much energy needed to rise the electron from the 1s state to 2nd state?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter8: Quantum Mechanics In Three Dimensions

Section: Chapter Questions

Problem 18P

See similar textbooks

Similar questions

A beryllium ion with a single electron (denoted Be3 + ) isin an excited state with radius the same as that of the groundstate of hydrogen.(a) What is n for the Be3 + ion?(b) How much energy in eV is needed to ionize the ion fromthis excited state?
The electron in a hydrogen atom with anenergy of -0.544 eV is in a subshell with 18 states. (a) What is theprincipal quantum number, n, for this atom? (b) What is the maximum possible orbital angular momentum this atom can have?(c) Is the number of states in the subshell with the next lowestvalue of / equal to 16, 14, or 12? Explain.
An electron in a hydrogen atom makes atransition from a 5p state to a 4d state. (a) Does the energy of theelectron increase, decrease, or stay the same? Explain. (b) Doesthe magnitude of the electron’s angular momentum increase,decrease, or stay the same? Explain. (c) Calculate the change inthe electron’s energy in eV. (d) Calculate the change in the magnitude of the electron’s angular momentum.
In the ground state of cadmium, Cd,a. how many electrons have l = 2 as one of their quantum numbers?b. how many electrons have n = 4 as one of their quantum numbers?c. how many electrons have m1 = -1 as one of their quantum numbers?d. how many electrons have ms = -1/2 [as one of their quantum numbers?
Zirconium (Z = 40) has two electrons in an incomplete d subshell. (a) What are the values of n and ℓ, for each electron? (b) What are all possible values of mℓ, and ms ? (c) What is the electron configuration in the ground state of zirconium?
A) what is the radius in nm of the electron orbit of a hydrogen atom for n=3 ? b)what is the radius in no of the electron orbit of a hydrogen atom for n=2 ? C) what is the energy in eV of the electron of a hydrogen atom for the orbit designated n=1 d) what is the energy in eV of the electron of a hydrogen atom for the orbit designated n=4 ?
I need some help with the following problem. 1a. What is the maximum number of electrons that can be emitted if a potassium surface of work function 2.40 eV absorbs 5.00 x 10-3 J of radiation at a wavelength of 325 nm? b. What is the kinetic energy and velocity of the electrons emitted?
The ion Li2+ makes ail atomic transition from ail n = 4 state to ail n = 2 state, (a) What is the energy of the photon emitted during the transition? (b) What is the wavelength of the photon?
(a) What is the minimum value of l for a subshell that contains 11 electrons? (b) If this subshell is in the n = 5 shell, what is the spectroscopic notation for this atom?
Measurements indicate that an atom remains in an excited state for an average time of 50.0 ns before making a transition to the ground state with the simultaneous emission of a 2.1-eV photon. (a) Estimate the uncertainty in the frequency of the photon. (b) What fraction of the photon's average frequency is this?
The valence election of chlorine is excited to a 3p state, (a) What is the magnitude of the election's orbital angular momentum? (b) What are possible values for the z-component of angular’ measurement?
A physicist is watching a 15-kg orangutan at a zoo swing lazily in a tire at the end of a rope. He (the physicist) notices that each oscillation takes 3.00 s and hypothesizes that the energy is quantized. (a) What is the difference in energy in joules between allowed oscillator states? (b) What is the value of n for a state where the energy is 5.00 J? (c) Can the quantization be observed?