94.31: Light of a single frequency falls on a phpgd dq6uo (9nk,f7mpqs6 1ly.otoelectric material but no electrons are emitted. Electrons may be emitted if ty6qqlu f9dpno(6k 1 ,mgsp7.dhe:

  97.36: A student performs the Photoelectric Effect Experiment a ; s7inckpl86*uff+uhnd obtains the data depicted u n+u ;cls76ifpkhf8* 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(sqzt ;7;jgz d xdu4f2c8:ivd if it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of light. The resu:5 7r+dangkmp l:m4lflting value then is divided by three meters. This final value has the units of which one of the fm:rlga:p5 4k7fm+d lnollowing quantities?

  10.48: Which of the following wavelengths (in nm) of electromagnetic radi9jvn w,u(fap8f8iux 1a(c b)v ation will produce photoelectrons of the least kinetic energy if the radiation is incident on a mate)facpn8j( w iav8,x(bu9uv 1 frial with a work function of 4.80 eV?

  12.45: A stationary atom;2 zcp/pj 8xjm 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 shines9q0 pum1xnphz5nty *) onto a metallic surface. It is known that the electrons ejected fypzmq 9*punn0xt )1 h5rom 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 stopping sa.y:n 3 sq31ar*v.)c*hd olml6x 3bnjh woj(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?