The surface of a stainless steel is illuminated with light of wavelength 500 nm. The work function of stainless steel is 4.4 eV. Determine the maximum kinetic energy, in electron volts, of the ejected photoelectrons.
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- UV radiation having a wavelength of 146 nm falls on gold metal, to which electrons are bound by 4.82 eV. What is the maximum velocity of the ejected photoelectrons? No need to use relativistic formulas in this case.Ultraviolet light with a single wavelength and with an intensity of 550 W/m² is incident normally on the surface of a metal that has a work function of 3.44 eV. Photoelectrons are emitted with a maximum speed of 420 km/s. Find the maximum possible rate of photoelectron emission from 1 cm² of the surface by imagining that every photon produces one photoelectron.Light with a frequency of (1.99x10^15) Hz hits a metal with a work function of (4.200x10^0) eV. Determine the maximum velocity of photoelectrons generated by this setup.
- In a photoelectric effect experiment, the maximum wavelength of the photons for which electrons are emitted is 342 nm. Calculate the work function of the target, in electronvolts. Maximum wavelength corresponds to when the electrons emitted do not have any kinetic energy.The work function for titanium is 4.33 eV. (a) Convert the value of the work function from electron volts to joules. J(b) Find the cutoff frequency for titanium. Hz(c) What maximum wavelength of light incident on titanium releases photoelectrons from the titanium's surface? nm(d) If light of energy 8.32 eV is incident on titanium, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV(e) For photons of energy 8.32 eV, what stopping potential would be required to arrest the current of photoelectrons? VThe cutoff frequency depends on the type of metal: TRUE / FALSE The saturation level for the photoelectric current depends on the number of incident photons impinging on the surface per unit time: TRUE / FALSE The stopping potential can take on positive values for some metals: TRUE / FALSE The stopping potential for the photoelectrons is zero at the cutoff wavelength for the incident photons: TRUE / FALSE The intensity of the incident light has no effect on the photoelectric effect: TRUE / FALSE