94.31: Light of a single frequency falls on a photoe x05/ ha2b0kch)u7uz)zxc9ezh y dx 0hlectric material but no electron/bue57 xdchh9ck)xz0 y h)z zu0h2x0as are emitted. Electrons may be emitted if the:

  97.36: A student performs the Photoelectric Effect Experimh(,0)qqtcnytdr , y/ment and obtains the data depicted in the acco, (/ nqymqc,h t0)tdrympanying 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 ifa cn1qcj()q gn5 o w +0mvxl0d,je*7qq it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of ligj51 bl,thz iu ouy/g3:3+ cumaht. The resulting value then is divided by three meters. This final value has the units of which one of the foiucuy ,3um o5/ z:l3a g+1jthbllowing quantities?

  10.48: Which of the following wavelengths (in nm) of electromagnetic radiation uw,;:lf1ytri4yu7 qw will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a work funlu yriqywf1 u,t:w7;4ction of 4.80 eV?

  12.45: A stationary atom of-u 6verxv, p)m 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 tie1xyi b ui8fl8*( u1metallic 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 ii8et1u( iu18y xl*fbwork function of the surface?

  06.46: In the photoelectric effect experiment, a stopping potential of V_bpd zaoyt 1ggi 9,1f1 z.1jhs;{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?