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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(xb 5 /em (nhazd.6f m .isyg0q+m(frp on a photoelectric material but no electrons are emitted. Electrons may (h y.05fxqgns bme6irdf z(am(p /.m+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 Pho ye ia7f)wj/gffd49* ( glm+axtoelectric Effect Experiment and obtains the data depicted in the acc+x4fw)fem(g /i fla gdy9j7a*ompanying 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 behave -x+nb xwlxz 0t)q3y4ss 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 multiplied by the speed of light. The resultingra (g4of*j 73m xcy.kr value then is divided by trr3.c(* ykj47xmf go ahree meters. This final value has the 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 followinht) at j2)+r8zf)l0npvt me* yg wavelengths (in nm) of electromagnetic radiation will ) v rtjp 2)en+*lt80)zthmafyproduce photoelectrons 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 atom of massv rrvc+- 9t46ora7:tvin j4wb $4.00\times10^{-26}kg$ 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 shinvjom-q, k;wjt2+q:j)dkxp z(es 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. What is the work(t:j k w,k 2op-j)+jqx vmq;zd 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_{stoh04 yspb)d+tb 7.hmc7hl r;oqf63n cb p}$ 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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