(b) A metal surface is illuminated by 8.5 x 1014 Hz light emits electrons whose maximum energy is 1.97 eV.The same surface is illuminated by 12 × 1014 Hz light emits electrons whose maximum energy is 0.53 eV. Findthe Planck's constant and work function of the surface.

Given: The frequency of the light is 8.5×1014 Hz. The maximum energy is 1.97 eV.…

(b) A metal surface is illuminated by 8.5 x 1014 Hz light emits electrons whose maximum energy is 1.97 eV. The same surface is illuminated by 12 x 1014 Hz light emits electrons whose maximum energy is 0.53 eV. Find the Planck's constant and work function of the surface.

(b) A metal surface is illuminated by 8.5 x 1014 Hz light emits electrons whose maximum energy is 1.97 eV. The same surface is illuminated by 12 x 1014 Hz light emits electrons whose maximum energy is 0.53 eV. Find the Planck's constant and work function of the surface.

Related questions

Q: (A) Calculate the de Broglie wavelength for an electron (me = 9.11 × 10-31 kg) moving at 1.00 × 107…

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

Q: When radiation of frequency 8 x 10¹4 Hz is incident on a metal, the maximum K.E. of the…

A: First we find the work function of the metal from initial information then after we will find the…

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: The m = 1 intensity maximum in an electron-diffraction experiment occurs at an angle of 48.0. The…

A: Bragg's Law Bragg's law gives a relation between the wavelength of the radiation used to perform…

Q: -1) The mass of a proton is 1.67×10-27 kg and the mass of an electron is 9.11x10-31 kg. A cal car…

Q: A wave-function representing a monochromatic plane wave moving in the positive (w=2pifx) direction…

A: Given angular frequency is ω=2πf wave function ψx,t=Aeikx-ωt where k=2πλ And de-Broglie wavelength…

Q: Light of wavelength 322 nm is incident on an uncharged metal sphere of diameter 12.2 cm. If the work…

Q: Find the ratio of de-Broglie wavelengths associated with two electrons accelerated through 25 V and…

A: The de Broglie wavelength in terms of potential is given by λ =12.27VAo

Q: An electron and a proton each have kinetic energy equal to 50 keV. (a) What are their de Broglie…

A: Given electron and proton each have equal kinetic energy K.Ee=K.EP=50 keVWe know mass of electron,…

Q: Light of wavelength 302 nm is incident on an uncharged metal sphere of diameter 16.2 cm. If the work…

Q: (i) Calculate the de Broglie wavelength of an electron having a mass of 9.11 x 10-31 kg and a charge…

A: Apologies. We only answer one question at a time. we will answer the first one as the exact one…

Q: In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…

A: Cut-off voltage is minimum negative potential applied to the plate or anode for which photoelectric…

Q: At what temperature T will the kinetic energy of a molecule of a biatomic gas be equal to the energy…

Q: If the threshold frequency of a metal is 0.5x1015 Hz and the wave length of the incident light is…

Q: When a sodium metal is illuminated with light of wavelength 4.20 x 102nm the stopping potential is…

Q: Light shines on a metal whichh has a work function of 2.0eV and electrons are emitted with…

A: Let the work function of the metal be W, the maximum velocity of the electrons be vmax, and the mass…

Q: What are (a) the energy of a photon corresponding to wavelength 1.00 nm, (b) the kinetic energy of…

A: a) The expression for the energy of photon is,

Q: Electrons are ejected from a metallic surface with speeds ranging up to 4.60 x 105 m/s when light…

A: When some materials are exposed to electromagnetic radiation, they release electrons. This process…

Q: The threshold frequency of silver is 10.5×1015 Hz. What is the work function of silver? Planck’s…

A: Given, threshold frequency of silver is 10.5×1015 Hz. Planck’s constant is 6.63 × 10−34 J · s let…

Q: (a) Explain the principle of x-ray diffraction? Why should the two rays being diffracted have the…

A: a) X-ray diffraction is based on the principle of constructive interference of monochromatic X-rays…

Q: Problem 1: If electromagnetic radiation with a photon energy of 20 meV impinges on two slits spaced…

A: 1. Given, Energy, E=20meVE=20×10-3×1.6×10-19JE=32×10-22J Spacing between two slits,…

Q: An electron emitted in the beta decay of bismuth-210 has a mean kinetic energy of 390 keV. (a) Find…

A: Part (a) Given: The mean kinetic energy of the electron is K=390 keV. The order of diffraction is…

Q: Modern physics The beryllium surface is illuminated by light with a wavelength of 300 nm. The work…

Q: The rows of atoms on the surface of a crystal are separated by a distance of 0.352 nm. A beam of…

A: Given: Distance is 0.352 nm Potential difference is 175 V

Q: Thorium is radioactive, but it is also a metal and so it will emit electrons when illuminated by…

Q: It is initially observed that the maximum of the spectral radiance I(λ) of a blackbody is located at…

Q: The electrons in a beam are moving at 18 m/s. (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ∙ s)…

A: Speed of electron, v=18 m/s Mass of electron, m=9.11 × 10-31 kg

Q: Part a) Find the total energy (in J) of 2.158 x 10^19 photons of red light (λ=675 nm)? Part b)…

A: Given: Number of photons, N = 2.158×1019 Wavelength of the photon, λ = 675 nm = 6.75×10-7 m…

Q: A/ The work function of a certain metal is = 4.15 eV. Determine the minimum frequency of light for…

Q: An electron has a wave function of "(x) = 4e¹ Calculate the de Broglie wavelength.

A: A particle's wave function is a mathematical description of its quantum state. It gives the…

Q: The threshold frequency of silver is 0.967 × 1015 Hz. What is the work function of silver? Planck’s…

Q: Compute the de Broglie wavelength of the following: (a) A 1000-kg automobile traveling at 100 m/s…

Q: A photocathode has a work function of 2.4 eV. The photocathode is monochromatic radiation in which…

A: Given data *The given photon energy is E = 3.5 eV = 3.5 × 1.6 × 10-19 J = 5.6 × 10-19 J *The given…

Q: Find the threshold wavelengths for photoelectric effect from a copper surface, a sodium surface and…

Q: (a) Calculate the de Broglie wavelength of an He atom travelling at a speed of 1000 m s−1 (b)…

Q: Light of wavelength 282 nm is incident on an uncharged metal sphere of diameter 14.2 cm. If the work…

A: The wavelength of the light: The diameter of the metal sphere: The work function:

Q: (a) What is the de Broglie wavelength (in m) of an electron moving at a speed of 3.03 x 10* m/s? (b)…

A: Given:- for (a) speed of electron (V) = 3.03 *104 m/s planck's constant (h) = 6.6…

Q: Calculate the velocities of electrons with de Broglie wavelengths of 1.7×103 nm and 5.0 nm,…

Question

100%

(b) A metal surface is illuminated by 8.5 x 1014 Hz light emits electrons whose maximum energy is 1.97 eV.
The same surface is illuminated by 12 × 1014 Hz light emits electrons whose maximum energy is 0.53 eV. Find
the Planck's constant and work function of the surface.

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

GET THE APP

About FAQ Academic Integrity Sitemap Document Sitemap

Contact Bartleby Contact Research (Essays)High School Textbooks Literature Guides Concept Explainers by Subject Essay Help Mobile App

GET THE APP

Privacy

Your CA Privacy Rights

Your NV Privacy Rights

Cookie Policy

About Ads

Manage My Data

bartleby, a Learneo, Inc. business