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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 singl*rqu6l4 ca-z h7ns0 sie frequency falls on a photoelectric material but no electrons are emitted. Electlc 4qh -asuiz6*n07rsrons 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 Photoelectric Effect Experiment and obz wfz0 wxr/m-c 0s6*gstains the data depicted in the accompanyi00m/srzxwc 6 fzs-gw*ng 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 a mast4x ounp;, oq6x 9vl6ds 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 resultin6 tympls(*v ::un pm/sg value then is divided by three meters. This final value has the units of which one of the foll (:/tmspv:l6spmu* yn owing 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 wavelengths (in nm) obsk,t 47(vlu8 avar7nf electromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiationru a,4 nk(l8as7tb7v v 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 ox /x3iczkzi/e8x2 k8; eb41vqg anw :9(be tqof 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 250 nm shines onto a metaja:becx,ngs7+ tp4 :allic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. What is the worjc7txepa nbg :+sa ,4:k 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 sto tphb * ow6k:kt(kl1dg;x-z9apping 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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