94.31: Light of a si vf,fluhl3.nr2cip a0 xq :30mngle frequency falls on a photoelectric material but no electi c 2 vnr3alu f0l3fmxqh:p0.,rons are emitted. Electrons may be emitted if the:

  97.36: A student performs the Photombkbm)qf3w)4g2c zx* electric Effect Experiment and obtains the data depicted in the accompanying xq)kw mb*mcbf243z) g 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 frequencg nhw*p3jl.3)q0vg xke oc;1jy f behaves as if it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of light. The result2krt9bb9 pwmrgb b(91mc3w; king value then is divided by three meters. This final value has the units of wh999b2b1p;grtm rbkkbcww3 (m ich one of the following quantities?

  10.48: Which of the following wavel zwqp/.i,u)hhv b f:0lengths (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a mawbp:)0 ,z/viuhlhfq .terial with a work function of 4.80 eV?

  12.45: A stationary atom of eni gig ;f+55wb:rpt0mass $4.00\times10^{-26}kg$ 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 is kno .g+ wnhvcwh89 2r 2nwo0us3xrwn that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work function 8hwxh9v 2 w02n.ucgr+ws3ron of the surface?

  06.46: In the photoelectrio4u-fuvoktf zvg 1t q xw),rev1. 8n,+c effect experiment, 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?