When light of wavelength 250nm is incident on a metal surface, the maximum speed of the photoelectrons is 4.0 x 10^5m/s.What is the work function of the metal in electron volts.
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.
When light of wavelength 250nm is incident on a metal surface, the maximum speed of the photoelectrons is 4.0 x 10^5m/s.What is the work function of the metal in electron volts.
Assume that a 100W light bulb gives off 2.50% of its energy ad visible light of wavelength 500nm. How many photons of visible light are given off in 1.0 minutes
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