94.31: Light of a single frkyn(le: ;1ajuit 7n k)equency falls on a photoelectric material but no electronilj na;) k1(y:etu7 nks are emitted. Electrons may be emitted if the:

  97.36: A student performs the Photoelectric Effect Experiment and obtains thyo64e ua:i7qtn/0a:ey sjj2h e data 0 jaq/ 4uyhye6: i7ea2tnjo:s depicted in the accompanying 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 equalct/lo8 cr94h f to:

  14.32: Planck’s constant is multiplied by the speed of light. Tt0,sy:a 6+o j9erzzewhe resulting value then is divided by three meters. Tz9os,yaw+ ez rj:et60his final value has the units of which one of the following quantities?

  10.48: Which of the following wavelengths (in .l 96uy/;.ufd z.)wbosgmt njnm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a matezds.9.yj. u;wo /lf6g)t bmunrial with a work function of 4.80 eV?

  12.45: A stationary atom of,iq7s yha,y v)aepu0 jp1*c p.t1/sd ej-(exz 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 on h pdqwae.s089to a metallic surface. It is known that the electrons hp80adeqs. w9ejected 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 photoelectri3ndzti v+: +we aa7n*lfb s(4sc 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?