Answered: Assume hydrogen atoms in a gas are…

Assume hydrogen atoms in a gas are initially in theirground state. If free electrons with kinetic energy 12.75 eVcollide with these atoms, what photon wavelengths will beemitted by the gas?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter7: Quantum Mechanics

Section: Chapter Questions

Problem 7.4CYU: Check Your Understanding A sodium atom nukes a transition from the first excited state the wound...

See similar textbooks

Related questions

Q: An electron (mass m) is contained in a rectangular corral of widths Lx= L and Ly =2L. (a) How many…

A: a)The quantized energies for an electron trapped in a two-dimensional potential well that forms a…

Q: The electron, in a hydrogen atom, is in its second excited state. Calculate the wavelength of the…

A: Given data The initial state for hydrogen is n1=1 The final state is n2=2 The Rydberg constant is R…

Q: In the electric effect, the work function of the any metal independent on the light Intensity ylgn…

A: Work function is the energy an electron needs to have in order to leave the surface of the metal. it…

Q: 2.8 According to classical physics, the average energy of an electron in an electron gas at thermal…

A: Write the expression of average electron energy in eV. E=32kT

Q: If the work function of a metal is 3 ev and the velocity of the free electron from the surface of…

Q: If free electrons with kinetic energy 12.75 eV collide with these atoms, what photon wavelengths…

A: The expression for the energy is,

Q: When UV light of wavelength 255 nm falls on a metalsurface, the maximum kinetic energy of emitted…

A: incident wavelength = 255 nm Kinetic energy = 1.4 eV

Q: If the stopping potential of a metal when illuminated with a radiation of wavelength 480 nm is 1.2…

Q: Find the ratio of energies of photons produced due to transition of an electron of hydrogen atom…

A: While transitioning from a higher energy level an electron always releases the excess energy.

Q: If a metal surface has a work function of 3 eV, find the largest wavelength of light which will…

A: work function(W)=3 eV 1eV=1.6 x 10-19 J W=3 x 1.6 x 10-19 J=4.8 x 10-19 J Formula for work function…

Q: Not all metals are the same. If a beam of light produces electrons when shown on a block of cesium,…

Q: The power of a red laser (λ = 630 nm) is 2.75 watts (abbreviated W, where 1 W = 1 J/s). How many…

Q: When a wide spectrum of light passes through hydrogengas at room temperature, absorption lines are…

A: When a wide spectrum of light passes through hydrogengas at room temperature, absorption lines are…

Q: What is the longest wavelength light capable ofionizing a hydrogen atom in the ground state?

A: Balmer formula, 1λ=RH1nf2-1ni2

Q: A 480 nm laser beam is incident on two different metallic surfaces, one made of sodium (Na), the…

Q: The longest wavelength line of the Balmer Series for hydrogen occurs at 656.3 nm corresponding to…

A: Here, 1λ=R1n12-1n22

Q: The ground-state energy of a harmonic oscillator is 5.60 eV. If the oscillator undergoes a…

A: The energy of the photon is, ∆E=hcλ ...... (1) The ground state…

Q: What is the energy in eV and wavelength in um of a photon that, when absorbed by a hydrogen atom,…

A: Given data: The energy levels are ni=5 to nf=8

Q: Find the maximum kinetic energy for the electron K.Emax for sodium and copper the if the photon…

Q: ase T. 7.1.1. How many photons per second are emitted by a 10.0-mW CO2 laser that has a wavelength…

A: Determine the energy of one photon,

Q: Photons of what frequencies can be spontaneously emitted by CO molecules in the state with v=1 and…

Q: If the wavelength of a photon increases by 50% on being reflected by an electron, how much will it…

Q: What is the wavelength associated with a photon that will induce a transition of an electron spin…

Q: Qy whet is the expectal ian value of findwg aplatan of the photonicstete 147=3 IV> + H> in ver ticl…

A: |ψ>=13|V>+23|H> probability of finding photon in vertical polarization or in state |V>…

Q: What voltage is needed to produce electron wavelengthsof 0.26 nm? (Assume that the electrons are…

A: The de Broglie wavelength λ of the electron is given by the following equation. Here, h is the…

Q: An atom (not a hydrogen atom) absorbs a photon whose associated wavelength is 375 nm and then…

A: The expression to determine the net energy is,

Q: When x - rays of wavelength of 0.129 nm are incident on the surface of a crystal having a structure…

A: Given that the wavelength of x ray is 0.129 nm, first - order maximum is observed at 8.15°.

Q: A wavelength of 4.653 μm is observed in a hydrogenspectrum for a transition that ends in the nf = 5…

Q: The spacing between atomic planes in a crystal is 0.110 nm. If 12.0 keV x rays are diffracted by…

A: The expression for find wavelength of the X-ray is KE=hcλλ=hcKE Substitute values in the above…

Q: If violet light of wavelength 375 nm illuminates a metal, what voltage will completely stop the flow…

A: Solution: Write the Einstein's photoelectric equation for the maximum kinetic energy.…

Q: The work function of caesium metal is 2.14 eV. When light of frequency 6 x104 Hz is incident on the…

A: In the given question We have to determine the stopping potential of the material.

Q: A Q-Switched Nd:YAG laser with a wavelength of 1064 nm. Its active medium is a cylindrical solid of…

Q: X-rays of wavelength 0.120 nm are scattered from a block of carbon. If the scattered radiation is…

A: Given data: Wavelength of X-ray is, λ=0.120 nm=0.120×10-9 m. Scattering angle with respect to…

Q: What minimum frequency of light is needed to eject electrons from a metal whose work function is…

Q: It is stated without proof with respect to Bragg’s law that when the atoms are not sym- metrically…

A: Write the equation of Bragg’s law. Draw the schematic diagram of the system.

Q: Why does the transition of Ninitial=4 to Nfinal=5 of a hydrogen atom result in the absorption of the…

A: Required : Why does the transition of Ninitial =4 to Nfinal =5 of a hydrogen atom result in the…

Q: At low temperatures, nearly all the atoms in hydrogen gaswill be in the ground state. What minimum…

A: At low temperatures, the atoms in hydrogen gas are in ground state. To observe photoelectric…

Q: What is the (a) energy in eV and (b) wavelength in um of a photon that, when absorbed by a hydrogen…

A: Given,

Concept explainers

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?

Question

Assume hydrogen atoms in a gas are initially in their
ground state. If free electrons with kinetic energy 12.75 eV
collide with these atoms, what photon wavelengths will be
emitted by the gas?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

If the work function of a metal is 3.2 eV, what is the maximum wavelength that a photon can have to eject a photoelectron from this metal surface?
What is the wavelength of (a) a 12-keV X-ray photon; (b) a 2.O-MeV y -ray photon?
What is the de Brogue wavelength of a proton whose kinetic energy is 2.0 MeV? 10.0 MeV?
At what velocity will an electron have a wavelength of 1.00 m?
Check Your Understanding A sodium atom nukes a transition from the first excited state the wound state, emitting a 589.0-nm photon with energy 2.105 eV. If the lifetime of this excited state is 16108s, what is the uncertainty in energy of this state? What is width of the corresponding line?
A quantum mechanical oscillator vibrates at a frequency of 250.0 THz. What is the minimum energy of radiation it can emit?
Check Your Understanding A yellow 589-nm light is incident on a surface whose work function is 1.20 eV. What is the stopping potential? What is the cut-off wavelength?
What is the de Brogue wavelength of an electron that is accelerated from rest through a potential difference of 20 keV?
In designing an experiment, you want a beam of photons and a beam of electrons with thesame wavelength of 0.281 nm, equal to the separation of the Na and Cl ions in a crystal ofNaCl. Find the energy of the photons and the kinetic energy of the electrons in electrovolts(eV).
simple cubic crystal is cut so that the rows of atoms on its surface are separated by adistance of 0.352 nm. A beam of electrons is accelerated through a potential difference of 175 Vand is incident on the surface. If all diffraction orders are possible, at what angles, relative to thecrystal surface, would the diffracted beams be observed? me = 9.11 ×10 -31 kg.
At low temperatures, nearly all the atoms in hydrogen gaswill be in the ground state. What minimum frequency photonis needed if the photoelectric effect is to be observed?
When UV light of wavelength 255 nmnm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.60 eVeV . What is the work function of metal?