94.31: Light of a single frequency falls on a zknu+:px7in-7 z+ x bcphotoelectric material but no electrons are emitted. Electro+inp 7u z xz:7+bx-nkcns may be emitted if the:

  97.36: A student performs the Photoelectric Effect Experiment aniz0cqys- yb(9m kq+t8d obtains the data depicted inkq 9 ztqmb8(-cis0yy+ 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 f3 )0, l sizhry0icm il+vsre.- behaves as if it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speefu )k-j bn tyn5z6y2chv(c g:/dz erja))l54xd of light. The resulting value then is divided by three meters. This final value has the units of which 4 dz flt c)a (n6zuy) n-yjh kerg/5xv5:cjb2)one of the following quantities?

  10.48: Which of the fo o+wx x6;vz1w5:ghno ollowing wavelengths (in nm) of electromagnetic radiation will o xv w o:w;o6n1xzh5g+produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a work function of 4.80 eV?

  12.45: A stationary atom++rw0n:0yoy2iw b8cf6 2 cqugegfsl( 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 metallic surface. It is(zr3 *5a clcjx*j;wea known that the electrons ejecte *zracl;(xw3e*jcaj5d 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-vm o j 3vsx buw.p:+-xztew09 exb3;dopping 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?