94.31: Light of a single frequency falls on a photoelectric material but no elecl(f 6qw)xit) xtrons a)l6t xf)i(q xwre emitted. Electrons may be emitted if the:

  97.36: A student perform9r1 0s bbqox wi3d5a1z4wyfp(s the Photoelectric Effect Experiment and obtains the data depicted in the accomwop i9 z( 1 rbbd4yfxq1w5as03panying 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 q9h cei.vo5x4as if it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of light. 19w:3wbnc fygjp ;lj - a6nkb;The resulting value then is divided by three meters. This final value haslcn:1wp 3w- bgyjna69bj ; f;k the units of which one of the following quantities?

  10.48: Which of the following wa /rlf(x k u0a3+d,k,tngzyp4w velengths (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a maa04 3kt y,x r(l dknzf/gu+,wpterial with a work function of 4.80 eV?

  12.45: A stationary atom ofqcpzg;gx;s fm nm8ix6-83 ip / 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 uyzl/ )7)fnt i4)bvcjnm shines onto a metallic surface. It is known that the electrons ejected from the surface range in speed asu f)/4jn z)iyc vbtl7) 0 ≤ v ≤ 4.85× 105 m/s. What is the work function of the surface?

  06.46: In the photoelectric ef ;-0lqwat ,jn,fjw(sifect 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?