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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 f mo:g s9138 4 qr;3trzebuufnvalls on a photoelectric material but no electrons are emitted. Electrons may be e13uqgr:8veumonsfb t 3z 49r ;mitted 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 perforibfp,y kj4do 2:b 0kx,ms the Photoelectric Effect Experiment and obtains the datab 2bi,f ykjpxk:d,40o 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 frequenyhzcuq1gw**lte(+/.yq kz 9 b)mbu 3ccy 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 multipli+gx n/5tgfg5 cb6cu.a;an x 1ued by the speed of light. The resulting value then is divided by three meters. This final value has n.c5au;5bc/x +u fng61a xg gtthe 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 following wavelengthsx ;5ybxyja8vmw)8e2pjf/ l0uk0 - tepp 0 4etp (in nm) of electromagnetic radiation will produce photoelectrons of the least kinetic energy i;0 y 0-2vkb4p8ut fp x8lxe0 y/aj)ptp5emwjef 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 mass+vhdycfii-+ndm)mn- fk 65 u, z(em)f $4.00\times10^{-26}kg$ 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 shi6ts h l4zciu:)(.bs 2 l:ywnnxnes onto a metallic surface. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 m/s. (llz 6yi) cs.2n htus:bx4wn: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_{:k4c ;j oxz k+brdglt 9debt n*sz(, 9zyo)t25stop}$ 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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