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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 on a photoelectric material buf04yu;jvt.6ltu:c kv) t9n g zt no electrons are emitted. uy46f09:) lugzvctj vk .ntt;Electrons 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 Photoelectrpg0(d8cgdr db1 f+) nbic Effect Experiment and obtains the data depicted in thpgbf c(nddb+g1d08 )re 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 jy8l;2;hpaavl c o8l67uo6m dfrequency 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 mulrf d1rm6yo; x+/syqx.g4 sa+ 4k,nra ltiplied by the speed of light. The resulting value then is divided by three meters. This final value ha sfk y+/rxnax4arry qd o,lmg.4s 1;+6s 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 following wavelengths (in nm) of eledi (d/6i3 ,rwmm yw8:dtp 9h/ ,xmswwcctromagnetic radiation will produce photoelectrons of the least kinet 6 y,983(swddxc: mwrp,wdt/ imm/ hiwic 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 atome+,wxy ;fi2g3:lz,c ifyu +t;p :bflr 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 +bm a/r4 h8nrz ev9u2y250 nm shines 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. Wha rn/ar9y8zu4 b 2mh+evt 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 stoppinw08 :kc / k/yf;rdpjqyg 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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