94.31: Light of a single frequency fa:c s4w 6hgw*hylls on a photoelectric material but no electrons areghc:w4 6 hsw*y emitted. Electrons may be emitted if the:

  97.36: A student performs the Ph2eug -s 3-ech*pp+r ukotoelectric Effect Experiment and obtains the data depicted in the accompa+c-k 23hesup*egr-pu nying 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 mass ej i,2-+yb ,qtvloi0aequal to:

  14.32: Planck’s constant ex75n:q /uvam,/p jyqq lhd-8gf*zj*is multiplied by the speed of light. The resulting value then is divided by three meters. This final v /p/fqm g-q*dv8qj*a7y l5nj zhux,: ealue has the units of which one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of electromagnetic radiati5mfgs q1.f nsv:8p9prn , h-flon will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a work function of 4.80 em f.v:nq -,hf1sspflp95 r g8nV?

  12.45: A stationary atoms5tuetv vdu7 r2m.+f8 of 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 surface. It is7q/aunsk+c o , known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What i7k+cnoqas/, us the work function of the surface?

  06.46: In the photoelectric effect experiment4al2z,c3xt vi u1md :o, a stopping potential of V_{stop}$ 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?