94.31: Light of a single xy gb/p5r -p;+yvjw;o frequency falls on a photoelectric material but no electrons are emitted. Electrons may be eyw-/xy ;+org bvpj;5pmitted if the:

  97.36: A student performs the Photoelectric Effect Expej0asr 3.sww o6efg ol+0f9 fcpd;62ujriment and obtains the data depicted in the accd as9 gf2u oe;jwo66rsj0p3+cwf. fl0ompanying graph of $E_{Km}$, the maximum kinetic energy of the photoelectrons in eV, versus f, the frequency of the photons in $10^{14}$ Hz. What is the approximate work function for this material?

  96.28: A photon with frequency f behaves as if it had a malw v)p19 eub(d,p lxf8uhz* -nss equal to:

  14.32: Planck’s constant is multiplied by the speed of light. The resulting v9k twxjfth;h): e66gzalue then is divided by three meters. This final vaw txehhzt9) gj:kf66; lue has the units of which one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of electromagne e thj0u060vk..y pafzm sv*o6tic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a workks .uez*o6vt 60yj00m vhfpa . function of 4.80 eV?

  12.45: A stationary atom of ou-mdh)8p ;ec0s,qqt mass $4.00\times10^{-26}kg$ spontaneously emits a photon of energy 10.0 eV. Which one of the following choices best represents the speed, in units of m/s, of the atom after emitting the photon?

  16.45: Light of wavelength 250 nm shines onto a metallic surface918mhr9q 5b2 cmazngo .hev v(. It is known that the electrons ejected fe .m ozhhnm1ar9b9vq5 cg(v28rom the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work function of the surface?

  06.46: In the photoelectric effect experiment, a stopping potential of V_{s g6ieu6l.vq5 agse+)rtop}$ is needed when light of frequency $f_0$ shines on the electron-emitting metal surface. If the metal surface on which the light shines is replaced with a new material that has half the work function, what is the new stopping potential ???????????????? , for light of frequency $f_0$ shining on it?