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习题练习:Photoelectric Effect

 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 yf7asj:5r/ u)gd1* p2 lnkho4wpr sk (falls on a photoelectric material but no electrons are emitted. Electrong*4fk pas oj:rsl2r 7 dwy(h1nk /u5)ps 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 -j6zt4geo d ;,dzmg/7o yvf5oro0 8phobtains the datoo-op;t r0 8 zg/y57 vz6, odfd4egmhja depicted 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 with frequency f behaves as if it had a mass equa 4ew2pb l9w+bfl 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 oh+z2 ooc+:jdz6j 0 c0fujat 7of light. The resulting value then is divided by three meters. This final value has the units of which one of the fozfojac j7 02+:u0zod +h6to cjllowing 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) of electromagnetic radiax)gzbfw l8:44 gyhn-ution will produce photoelectrons of the least ki-g8zbh4 n xy4lu:wg)fnetic 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 ,xeuitu9kkoz,gq 27,b-xklhz mt-2* 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 wavelet 08reo 0+rieongth 250 nm shines onto a metallic surface. It is known that the electrons ejected from the surface range in speed rr oe+i08o0te 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 effm fb8svo,.u5xect 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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总分:8分 及格:4.8分 时间:不限时
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