Light of wavelength-metallic surface

Assignment Help Physics

Reference no: EM13536635

Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-electrons from this metal.

Reference no: EM13536635

Questions Cloud

Calculate the final pressure of a sample of water vapour : calculate the final pressure of a sample of water vapour that expands reversibly and adiabatically from 87.3 Torr and 500 cm^3 to a final volume of 3.0dm^3.Take gamma=1.3

Determine what is the speed of the three coupled cars : A railroad car of mass 2.1 104 kg moving at 2.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision

What is the recoil kinetic energy of the proton in ev : A photon energy 500KeV undergoes Compton scattering from the proton that is initially at rest. (a) what is the recoil Kinetic energy of the proton in eV?

Determine what will be the protons final speed : A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the proton's final speed if the experiment is repeated with double the amount of charge on each capacitor plate

Light of wavelength-metallic surface : Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-..

Electrons were accelerated across to produce the x-ray : X- rays are created in a standard x-ray tube by accelerating electron across a potential difference of V and having the electrons collide with a metal target to eject x-ray. when the wavelength of the x-ray is measured using Bragg diffraction from..

Determine what impulse was given to the ball by the floor : A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor

Law of conservation of energy for this process putting : A 200KeV electron (i.e., an electron having kinetic energy of 200KeV) collides with a 200KeV positron (a particle with opposite charge of electron but) moving in the opposite direction in a head-on collision.

How many wavelengths are found within the laser pulse : If the laser light wavelength is 1062 (this corresponds to a Neodymium-YAG laser), how many wavelengths are found within the laser pulse

User Account

All Pages