94.31: Light of a single frequency falls on a photoehac6l d 6gcc/yf8 ;hcxmuj5(,lectric material but no electrons are,8dxy/g6 h mh clu( ;cfcca56j emitted. Electrons may be emitted if the:

  97.36: A student performs the Photoelectric Effect Experiment and obtains *gogxp0sjy51f*xrekf/ tp 2 3the data depicted in the accompanying g* g r2ykf1t0 3xjp/pef*xso5 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 dpm4.p8ve yg, tty+s +hra;s f8r0zi5mass equal to:

  14.32: Planck’s constant is multipsjj a il:;e *3a47jpkulied by the speed of light. The resulting value then is divided by three meters. This final value has the units of which oneuil *s4 :j 7pej3ajka; of the following quantities?

  10.48: Which of the foqj1 +mz.m8de; h;lux allowing wavelengths (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident o d81qm;ajxzluh.me; + n a material with a work function of 4.80 eV?

  12.45: A stationary auq/q/ * 3ocjs:xoud3 -qnn+odtom 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 metall i5uyll8jrbj.8g k:9v ic surface. It is known that the e v:jgy85 9ulki r.lj8blectrons ejected from 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 ef(ar5a3xl q2tk5jv89 d + o ;s1tvqutitfect 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?