94.31: Light of a single frequency falls on a photoelectric material but no elecji3ank)/ot 1s.tp mgp8d2zon0n7kv ,trons are emitted. Electrons may be emitted noatsmnit gjvo2k)1 7p z3p8 d. n,0k/if the:

  97.36: A student performs the Photoelectric Effect Expe4 yf cq /5e,6fbcpoka;riment and obtains the data depicted in the ac4bf6e 5,a;c/ypqfk cocompanying 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 freq8dyi f 9d*xnc.uency f behaves as if it had a mass equal to:

  14.32: Planck’s constant is multiplied by tiql) ecqqau25ny/ ) a7he speed of light. The resulting value thenac a)7q 5/iqu)lyeq 2n is divided by three meters. This final value has the units of which one of the following quantities?

  10.48: Which of the folmlnq3ci n.togbxf ,4l-9a h);lowing wavelengths (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation iso4l-f nn )a;l c9ti.,3hbgxqm incident on a material with a work function of 4.80 eV?

  12.45: A stationary a 213qv-c hcxagml/:uhtom 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. Itk ieg1y5w:etv4dw s im)5w-1g is known that the electrons ejected from the surfacewg 5 ii:)5 4ted1s1wm-gwekyv 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 sto8 n nzfj j6f)ql2xhxk b:s1+.apping 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?