Ultraviolet light is incident normally on the surface of a certain substance. The workfunction of the electrons in this substance is 3.44 eV. The incident light has an intensityof 0.055 W/m2. The electrons are photoelectrically emitted with a maximum speed of4.2×105 m/s. What is the maximum number of electrons emitted from a square centimeterof the surface per second? Pretend that none of the photons are reflected or heat thesurface?
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.
Ultraviolet light is incident normally on the surface of a certain substance. The work
function of the electrons in this substance is 3.44 eV. The incident light has an intensity
of 0.055 W/m2. The electrons are photoelectrically emitted with a maximum speed of
4.2×105 m/s. What is the maximum number of electrons emitted from a square centimeter
of the surface per second? Pretend that none of the photons are reflected or heat the
surface?
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