94.31: Light of a single frequency falls on a pho()c-vt whb9m fd6 n:iw fofe7i0z r0+ptoelectric material but no electrons are emitted. Electrons may be emitted if the6-7m0zn (wirf:9tfip0fbd w)hce o+v:

  97.36: A student performs the Photoelectric Effect Experiment and obtains.in 1rygwc*gzk(i4qt 8*g* w m the data depicted in the accompany*gzcn( 4m ki.tgyw8i 1rwqg**ing 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 if nff8xh5wf0j7na 1n8;w8ubld it had a mass equal to:

  14.32: Planck’s constant is multiplied by the smu49mo4k r+ jx)ksdb +peed of light. The resulting value then is di+ru d+94mso xj4kkbm)vided by three meters. This final value has the units of which one of the following quantities?

  10.48: Which of the f;(dzyrn;khzu t d4* x,ollowing wavelengths (in nm) of electromagnetic radiation will produce photry(hkzu*; d t4nzd,;xoelectrons of the least kinetic energy if the radiation is incident on a material with a work function of 4.80 eV?

  12.45: A stationary atv +,j.x wc8iuzom 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 su-sdix:6bi3 fo h c6fw8z*wk0wrface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s:i wci o6 wwbkx8f3zf-*sh 6d0. What is the work function of the surface?

  06.46: In the photoelectric effect experiment, a stoppi:lepdj(w ;1v8kv2twhng 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?