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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 fcakg;,w .i.. o5wzhnqj27iu8- kn gn srequency falls on a photoelectric material but no electrons are emitted. Electrons may be emitted if the:aikk. 2z nc75wi.og .8ugnnh- j;q s,w

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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 Photoelej 60pr)a yk swm,nst6mav:7n /2g-v soctric Effect Experiment and obtains the data depictesj60mo w )tnm2 vsa-p :nr6,ysgkv/7a d 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 equal53). kkwzkb ukisq.c- 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 resulting val5lj;-;dzaicyr o8t p*ue then is divided by three meters. This final value has the units of which one of the f-* ;;pr8i l5yacdzjo tollowing 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) ,58h*zgk ykd rof electromagnetic radiation will produce pkr zg,*d8hyk 5hotoelectrons of the least kinetic 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-yn- cns9 a2pcom 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 250 nm shines onto a metallic surface. It is 0x1rl; yme fp 7fz2y.rknown that the electrons ejected from the surface range in speed as 0 ≤ v ≤ 4.85× 105 zx7m0fy1fy e2.l ;rrpm/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, y6u nqfl9uym9z ):x1s 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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