94.31: Light of a single frequency falls on a photoelectric material but wr3am j8h;j yyh 8w8b-:7nnrg no electrons are emitted. El:y73m- h rayw88hgj8rnn;wbjectrons may be emitted if the:

  97.36: A student performs the Photoelectric Effect Eu/l,ba 2fdqkxmp/ 3glfpt 32 +xperiment and obtains the data depicted3x pq2 , lb/fdp/+gka32tmufl 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 )2aiqf ql3 ktrm/bk/1 if it had a mass equal to:

  14.32: Planck’s constant is multiplied by the speed of l:7a4zvhezbrr(e bk;- tn, uvu4a0:v kight. The resulting value then is divided by three t :4,vebe burk 07(vvz:ku4an-hzar; meters. This final value has the units of which one of the following quantities?

  10.48: Which of the following wavelengths (in nm) of electromagnetic radgjz .auwyh0fu ,1y)u(iation will produce photoelectrons of the least kinetic energy iyyh af,uw 1u u).zjg(0f the radiation is incident on a material with a work function of 4.80 eV?

  12.45: A stationary mu3l*v l :4e +ptlpm1katom 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 su1ly/05l2eg7dxj5 ctfymru7bte 5r9frface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work funct1trj5 92rt fe5byyld5c70xm7 e lfu/gion of the surface?

  06.46: In the photoelectric e;c6biy)8odbh lm (mt 3ffect 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?