Light that has a 199-nm wavelength strikes a metal surface, and photoelectrons are produced moving as fast as 0.002c. What is the work function Φ0 of the metal? work function = ? J What is the threshold wavelength ?max for the metal, above which no photoelectrons will be emitted? wavelength max = ? m
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.
Light that has a 199-nm wavelength strikes a metal surface, and photoelectrons are produced moving as fast as 0.002c.
What is the work function Φ0 of the metal?
work function = ? J
What is the threshold wavelength ?max for the metal, above which no photoelectrons will be emitted?
wavelength max = ? m
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