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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 fallpofb p0;*gbd8 s on a photoelectric material but no electrons are emitted. Electronsf*bp0 gb; pd8o 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 Ph, qxsnc u8 hw:y5/*fdcotoelectric Effect Experiment and obtains the data dep/fcs: wy q *5xchndu,8icted 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?



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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 withdhl 47yy.uxz53 q-4ww j b0qzz frequency f behaves as if it 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 speed of light. The resulpcid tk6 tgjqei1zo cur, +t- 9(v18h2ting value then is divided by three meters. This final value has the units of which one of the following quantitiesuzp,1ijqr-khdg9+ tv (e1 8 tti 26coc?

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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 following wavelengths (in nm)o +*t; vtx5zbf of electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a material with a work function of 4.*bttfxovz;+ 5 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 h6;na+vpr vm *atom 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 20ht st7,gzq )y50 nm shines onto a metallic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ 7,y hts)tzg0q 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 potes(e3 y-ny);1swg f6cw*(k swrnhs, grntial 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?

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  • 姓名:游客(未登录)
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    总分:8分 及格:4.8分 时间:不限时
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