94.31: Light of a single frequency falls on a photoelectric material but :en ,xzkt1uq/g-1cql no electrons are emitted. Electrons may be emitted i,qxlqe c z1 k-n1ugt:/f the:

  97.36: A student performs the lk(l;1 (;ynn:l- .gxomwzqf p Photoelectric Effect Experiment and obtains the data o-:(1;my.xl f;(qnn wllg pkzdepicted 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 had1txv*h;b/s(4 kst xgmer5 * s pt6rd8h a mass equal to:

  14.32: Planck’s constant is multiplied by thv-gs 50w tzk*,rhpfk9 e speed of light. The resulting value then is divided by 5h- sgp *0frk,vzktw9three meters. This final value has the units of which one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of electrod:sm,f g7 a:c,()uj nulx3o kqmagnetic radiation will produce photoelectrons of the leag:ol(xj ,c qu,n3:mu fkds7)ast kinetic energy if the radiation is incident on a material with a work function of 4.80 eV?

  12.45: A stationary atom of vmdc cx8f6 tw;g 2y1le9.1 ;azqyku-dh5 b-lcmass $4.00\times10^{-26}kg$ 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 metw dlzm-38je6g allic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. Wha-m8wl gz6ed3jt is the work function of the surface?

  06.46: In the photoelectricizw7)df2m rzemf4i;4 , j1npnvz 5j;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?