A photon with an energy of 2.24 eV strikes a photoemissive surface whose work function is 1.57 eV. Calculate the maximum kinetic energy of the ejected photoelectron. a 0.67 eV b 3.81 eV c 4.69 eV d 5.07 eV
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
A photon with an energy of 2.24 eV strikes a photoemissive surface whose work function is 1.57 eV.
Calculate the maximum kinetic energy of the ejected photoelectron.
|
a
|
0.67 eV |
|
b
|
3.81 eV |
|
c
|
4.69 eV |
|
d
|
5.07 eV |
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