94.31: Light of a single freq.ojl)v/xyl5d4is; nu mu-n u4uency falls on a photoelectric material but no electrons are emitted. Electrons may be emitted if m/dnu5 ;u4 s.on)vx 4jl-i yluthe:

  97.36: A student performs the Photoelectric Effect Experiment gmak1eul+mi: e,3b /pand obtains the data depicted in the accompanying gra +mg :m/,3paeb1k iuleph 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 aa tn8ltr 0w n 0ad)jw048 f2en71hgsau mass equal to:

  14.32: Planck’s constant is multiplied by the speed of lb du g ogjt2b2*i-ci((+exl+o/dn5wlight. The resulting value then is divided by three meters. This final value has the unijxdg+ln /dg(w+-(e2 oi2ubc5lb t*oits of which one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of elect t 9;2vl2acktm(7amctromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a work ctt7(2cvmltmk aa ;92function of 4.80 eV?

  12.45: A stationary atom of mass 9:(t1j,lxh wq(y gu jlr 5obh8*:zgke$4.00\times10^{-26}kg$ 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 nlwvx/i-l8 800s *ing.bqolp ubn6 yg4m shines onto a metallic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work functio040.s -iby 8 nwlio8l/gbvg*ql6 p unxn of the surface?

  06.46: In the photoelectric effect experiment, a 6y8 2klmh;0vpivw ; (cjvhx7rstopping 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?