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习题练习：Photoelectric Effect
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 作者: admin  发布日期: 2024-08-05 13:48    总分: 8分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月05日 13:48  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.31: Light of a single frequency falls on a photoelectric material but f3b/51(7v2eodwp j: lsdyityno electrons are emittjlbfp o5yv7s ei1:(d 3w2t/yd ed. Electrons may be emitted if the:

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.36: A student performs the Photoelectr2 xicqpocdhfuem n :7*d+y08,ic Effect Experiment and obtains the data depicted in the accompanying graph 2,8+ni ydxdp*f 7:ccuoh0m qeof $E_{Km}$, 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?



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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.28: A photon with frequency f behaves as if it s j8vfv.ar4+lg bu3.qzy)*yu had a mass equal to:

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.32: Planck’s constant is multiplied by the speedne bt.xzolzve 3 8lg1te ((3ud df-1,;d6 thte of light. The resulting value th6oevbtz3lt8n e de z -3 d1u(d.;l,tet( 1hfgxen is divided by three meters. This final value has the units of which one of the following quantities?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.48: Which of the foctou9(-w fi t+/mi1hj llowing wavelengths (in nm) of electromagnetic radiation will produce photoelectrons of the io-w+ fu/1cmt(i thj9 least kinetic energy if the radiation is incident on a material with a work function of 4.80 eV?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.45: A stationary at/fbu8nurv )d *om 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?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.45: Light of wavelength 2505g:ckjr+ dswver8-5ld d)f 2z nm shines onto a metallic surface. It is known that the electrons ejected from the surd2 evdl55+):z-gjrk sdf8cr w face range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the work function of the surface?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.46: In the photoelectric effect experiment, a stopping potential of V_{stkjk s)z)s4b.d op}$ 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?

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  • 姓名:游客(未登录)
    •
    总分:8分 及格:4.8分 时间:不限时
    未答题: 已答题:0 答错题:
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