hurry up please A 85nm radiation falls on a photoelectric surface, and the work function of photoelectrode is 4.36 ev. The Plank's constant is 6.625 x10-34 J.s and mass of electron is 9.11 x 1031 kg.DetermineO The maximum kinetic energy of the electrons in Joules:(i) The velocity of the photoelectrons in m/s:(C) The stopping potential in Volts, when the same surface is illuminated with light of wavelength 185 nm

Answered: Image /qna-images/answer/59c4b11a-894c-4080-b73c-5cba3a0052a8.jpg

) The maximum kinetic energy of the electrons in Joules: Ci) The velocity of the photoelectrons in m/s: (C) The stopping potential in Volts, when the same surface is illuminated with light of wavelength 185 nm|

) The maximum kinetic energy of the electrons in Joules: Ci) The velocity of the photoelectrons in m/s: (C) The stopping potential in Volts, when the same surface is illuminated with light of wavelength 185 nm|

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 71P: A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of...

See similar textbooks

Related questions

Q: The surface of a sphere of radius R emits So photons isotropically towards the center of the sphere.…

Q: In a photoelectric experiment using a sodium surface, youfind a stopping potential of 1.85 V for a…

A: Given:- stopping potential =1.85 V wavelength =300 nm stopping potential = 0.820 V wavelength = 400…

Q: If an electron's position can be measured to an accuracy of 1.93E-8 m, how accurately can its…

Q: What is the maximum velocity of electrons ejected from a material by 80-nm photons, if they are…

Q: As an excited electron jumps from a higher energy level En to a lower one En -1), the wavelength (A)…

A: Given in question - An excited electron jumps from En to lower E(n-1) To find - The wavelength (λ)…

Q: Their de Broglie wavelength is λ. The accelerating potential differenc increased to 4 AV. The…

A: GivenProton is accelerated from rest through potential difference ∆VDe Broglie wavelength…

Q: Monochromatic light is incident on a metal surface, and the ejected electrons give rise to a current…

A: We know that hν-ϕ=qVWhere ϕ is the work function. V is the stopping potential and ν is the…

Q: The average thermal velocit Yofelectrons at T- Fook equals.

Q: how much energy iscontained in 0.250 moles of photons of light with wavelength if 350.0nm?

A: Given, Number of moles,n=0.25 Wavelength of light,λ=350 nm=3.5×10-7m

Q: Photoelectrons from a material with a binding energy of 2.71 eV are ejected by 420-nm photons. Once…

A: For the photoelectric effect, the expression for the energy is:

Q: During an exeertment .71olH light shines on a metal plate and the Photoelectric Effect occurs. It is…

Q: Show that the maximum kinetic energy of the recoil electron in Compton scattering is given by 2hf K.…

A: If we want to calculate maximum kinetic energy of the recoil electron in Compton scattering, we…

Q: Calculate the(a) momentum, and(b) de Broglie wavelength of the electrons accelerated through a…

Q: What is the maximum kinetic energy of a photoelectric from a material whose work function is 2.37eV…

Q: Photoelectrons from a material with a binding energy of 2.71 eV are ejected by 420-nm photons. Once…

Q: A proton with total energy 5.52 keV, and initial de Broglie wavelength λi travels from a region with…

A: Energy (E)=hc/lamda Lamda=h/√2mev

Q: Using the average speed of a gas, (8RT/piMW)^1/2 determine the average de Broglie wavelength for an…

A: a)average speed = 8RTπMat t = 25 C = 298 K v = 8*8.314*298π* 0.004v = 1255.9 m/s Therefore, de…

Q: What is the deBroglie wavelength of a 1500 kg car traveling at 100km/hr(27.8 m/s)?

A: The equation for the de Broglie wavelength is given by

Q: Based on the Figure 5.1, for the light frequency of 6.00 × 1014 Hz, calculate i. the maximum…

A: Given that, Frequency f=6.00×1014 Hz Stopping potential = 2.0 V

Q: If a photoemissive surface has a threshold frequency of 4.6 x 104 Hz, calculate the in eV. Givenh =…

Q: The “work function” of the metal lithium is 4.6x10-19 J. If irradiated with light of frequency…

Q: An inelastic collision with an electron and a photon which experienced a change in wavelength equal…

A: We'll use comptan scattering formula Δλ=hmec1-cosθ Where hmec=2.43×10-12m We need to determine θ…

Q: Radiation has been detected from space that is characteristic of an ideal radiator at T = 2.728 K.…

A: Weins displacement law is λmT=2.90×10-3 mK Here, λm is the wavelength corresponding to maximum…

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: X-rays of wavelength λ = 0.140nm are scatteredfrom carbon. What is the expected Compton…

A: Given: The wavelength of X-ray λ = 0.140 nm are scattered from carbon. To find: The expected…

Q: Assume hydrogen atoms in a gas are initially in theirground state. If free electrons with kinetic…

A: Given, Kinetic energy, E=12.75 eV.

Q: What is the recoil velocity of an electron (in m/s), if a 17 keV photon strikes the electron…

A: Energy of photon =17 kev Photon is scattered through an angle (θ)= 92.8o The energy of scattered…

Q: For a temperature of 5800 K (the sun’s surface temperature), fi nd the wavelength for which the…

A: The expression for the spectral distribution will be, l1(λ,t)=2πckTλ4

Q: Suppose an electron is accelerated through a 285-V potential. What is the wavelength of the…

Q: An electron and a proton are accelerated through the same potential. Which one of the two has (i)…

A: h=Plancks constantp=Momentum=mvm=Massv=Velocity

Q: Calculate the ratio of the kinetic energy of an electronto that of a proton if their wavelengths are…

A: In the non-relativistic limit: Speed of electron/proton v is such that, v<<c Where, c=Speed of…

Q: In a particular photoelectric experiment, a stoppingpotential of 2.10 V is measured when ultraviolet…

A: The expression for energy of a photon in terms of its wavelength is, E=hcλ Here, h is Planck’s…

Q: Ex3 / the work function of a tungsten surface is 5.4eV when the surfoce s illuminated by light of…

Q: Monochromatic radiation at 400 nm, produced by a laser, is completely absorbed by a reaction mixture…

A: Solution:

Q: Calculate the number of e-h pair generated for 50 incident photons in a photodiode whose…

A: Given: no. of incident photons = 50 responsivity R =0.315 A/W wavelength λ=650 nm

Q: A special kind of lightbulb emits monochromatic light of wavelength 630 nm. Electrical energy is…

Q: The threshold wavelength for emission of electronsfrom a given surface is 340 nm. What will be the…

A: Threshold wavelength of emission: λo = 340 nm = 340 x 10-9 m Wavelength 1: λ1 = 280 nm = 280 x 10-9…

Question

hurry up please

A 85nm radiation falls on a photoelectric surface, and the work function of photoelectrode is 4.36 ev. The Plank's constant is 6.625 x
10-34 J.s and mass of electron is 9.11 x 1031 kg.
Determine
O The maximum kinetic energy of the electrons in Joules:
(i) The velocity of the photoelectrons in m/s:
(C) The stopping potential in Volts, when the same surface is illuminated with light of wavelength 185 nm

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

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

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

The work function of a photoelectric surface is 2.00 eV. What is the maximum speed of the photoelectrons emitted from this surface when a 450-nm light falls on it?
What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation of wavelength 450 nm?
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?
The work function for potassium is 2.26 eV. What is the cutoff frequency when this metal is used as photoelectrode? What is the stopping potential when for the emitted electrons when this photo electrode is exposed to radiation of frequency 1200 THz?
A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.17 eV are emitted. Determine (a) the work function and (b) the cutoff frequency of the surface. (c) What is the stopping potential when the surface is illuminated with light of wavelength 400 nm?
Estimate the work function of aluminum, given that the wavelength of 304 nm is the longest wavelength that a photon may have to eject a photoelectron from aluminum photoelectrode.
The work function for gold is 5.10 eV. (d) If light of energy 7.42 eV is incident on gold, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV(e) For photons of energy 7.42 eV, what stopping potential would be required to arrest the current of photoelectrons? V
An argon laser emits a beam of light of wavelength 4.88 × 10-7 m, the power in the beam being 100mW. How many photons per second are emitted by the laser? If the beam falls on the cesium cathode of a photocell, what photoelectric current would be observed, assuming 10% of the photons are able to eject an electron?Given that the limiting frequency v0 of cesium is 5.2 × 1014Hz, what reverse potential difference between the cell electrodes is needed to suppress the photocell current?
What is the maximum kinetic energy of a photoelectric from a material whose work function is 2.37eV are ejected by 472nm photons?
The work function of an unknown metal is 4.85 eV. What is the longest wavelength, in nanometers, of electromagnetic radiation that can eject a photoelectron from this metal?