94.31: Light of a single frequency falls on a photoelectric mscd)w+3kmt)-w ly. qpt 8 yy*laterial but no electrons are eply.-m) *s q +ltkc t8yd)wyw3mitted. Electrons may be emitted if the:

  97.36: A student performs the Photoelectric Effect Experiment and obtains the:ncrqwx v g6(b m-i+ y4pb8o7s data depicted in the accomp-4qn6(xirvpyb:g 7bw 8s mc o+anying 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 y 7o(genfl)n ig81u/i a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of light. The c j3+8efa2 exgtr9 /vmresulting value then is divided by three meters. This final value has the units offe+2gx 9/ta j8rvme3c which one of the following quantities?

  10.48: Which of the following wavelespch4 pv-cmii0l8-1dngths (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a wor-mcp0v1 cd hsil-84pik function of 4.80 eV?

  12.45: A stationary r/ mw kgk wt)yny4zt*5 k+o1h( psgm,8atom 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 l,m2uz/abuy)b ; kp70/wh xbumetallic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work function bpu,7xlz w)mbu; k0 2u//ahyb of the surface?

  06.46: In the photoelnfvxm .uyy0g -4l1 il)ectric 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?