9 Q&A and Similarities Between Photoelectric Effect and Compton Effect

1.   photoelectric effect vs compton effect

photoelectric effect or photoemission is the ejection of electrons from the surface of metal when strike by electromagnetic radiations, in this phenomena the electromagnetic radiation or light must have an energy sufficient enough to overcome the metal work function before the electron will be ejected, the threshold frequency, wavelength must be attend before the photoelectrons will be produced.

whereas Compton effect is an inelastic scattering process, energy is transferred from the photon to the recoil electron after the collision, it is a wavelength shift where by the wavelength of the recoil electron, provided that the energy of the photon is sufficient, Compton effect will take place independent of the of any other factor, it take place in all atoms and not only metals.

2.    state the similarities between photoelectric effect and Compton effect

Both photoelectric effect and Compton are electron removing processes, though in photoemission, they are called photoelectron, they are almost different phenomena use to describe same process unless that the later involve higher energy than the former.

3.   prove the  Compton effect equation

The proof for Compton shift equation can be found here

4.    what do you know by inverse Compton scattering

Inverse Compton scattering occur when the charge particles losses energy to the photon instead of gaining energy.

5.   Compton wavelength vs. de Broglie wavelength?

Compton wavelength or wavelength shift is the change in photon after the scattering, it involves photons and charge particle like electrons  whereas  de Broglie wavelength is a quantum process dealing with the uncertainties in spontaneously detecting  the position and momentum of object,  given by λ= h/mv, where m is mass and v is velocity and h is plank constant, or  λ= h/p, where p is momentum.

6.   What is the Compton wavelength of a proton?

The formula for the Compton shift is given by

λ= (h/mc). (1-cosθ), where m is the mass of electrons, therefore there is no Compton Effect for protons because Compton Effect is strictly for electrons.

7.   Compton wavelength of electrons.

λ= (h/mc). (1-cosθ), the wavelength depend on the scattering angle, where θ is the scattering angle, m is the mass of the electron, is the speed of light and h is the plank constant.

8.   Compton scattering experiment,

                    The total energy of the electrons is given by

E= mc² +hf_o+hf₁ where f_o and f₁ are the

respective frequency before and after collision.

9.   compton energy equation

the total energy of the electrons is given by

E= mc² +hf_o+hf₁ where f_o and f₁ are the

respective frequency before and after collision.