94.31: Light of a single frequency falls on a photoelectric material but netcq2:c.s r*zeg( vl1o electrons are emitted. Electrons . rc ve*qtg1les:(2zcmay be emitted if the:

  97.36: A student performs the Photoelectric Effect Experiment and obtains the.bgong)8* pz5yod / ky data depi.n 5gp/o yg)yzbd8k *octed 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 f1h)c n b unl3z0p/i nv6p:rft+ behaves as if it had a mass equal to:

  14.32: Planck’s constant is multipliv1 yyrb7 kodol/u810ded by the speed of light. The resulting value then is divided by three meters. This final value has the units of whil d17yovok1y08 rb/duch one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of electromagnetic radr8 0yjr 0twgzn re ;wj*b+.yp)iation will produce photoelectrons of the least kinetic energy if the radiatiorg8.n*re+y wj;rj0 )ptzybw0n is incident on a material with a work function of 4.80 eV?

  12.45: A stationary atom of ofcmrlw7+ 7at y36k/rmass $4.00\times10^{-26}kg$ 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 shinkl-kv-xauj dk8(1s s 6e3 -kr3feqgj;es onto a metallic surface. It is known that the electrons sq 863-dfa l;kxsg vrkkjee1-j u-k(3ejected 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 effect experiment, a st+mufbyhgfb zf 2 t-6q5te z oca++25*topping 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?