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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 s:xrtnt59h7*,p+cpu j.(g, u coubvoa photoelectric material but no electrons are emitted. Electrons ma :57tn, vuo.cg*tp,ps+ hjx9bcuro(uy 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 Photoelectric Effect Experiment and j3hzt*k, x i03(rd vp. 3+iesht ofmz1rcd3 .gobtains the data depicted in the accompanying 1d fhse.3gz.vtiir+x3 m0pr jz*3o( ,dhkc3t 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 with frequency f behaves as if it had isja7s.4;lvx .4qhay 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. Thefy/zc gxb* c0: cef-:sro1:af resulting value then is divided by three meters. This final value has the units of which oc/xg: rs *::ecy ff1bfcoz-0ane 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 following wavelength k;bq/ g/ nalx**x5jm;mtj kt1s (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy ifkqg *lxm/jn;k* ;jm xt/bat1 5 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 atom of 21bl xcmm1wqu )gn-( xmass $4.00\times10^{-26}kg$ 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 250 nm shin a 9vv1po7lgr:es onto a metallic surface. It is known that the electrons ejected from the 7 1apvogrvl9: surface 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 effect8w g psny9b n8ks1b4/v 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?

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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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