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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 phot; p0 , r**3muzjydv6dmtzj(saoelectric material but no electrons are emitted. Electrons may bmjz,du3 *jvyp r0 t(;az*s6mde 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 kql p;tqg9 bdnwue*(,n8yw+ p)y 3)agobtains the data depicted in the accompanying grbkt,8plw;wayunq)d(9+ ygn3e pg *) q aph 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 8i q7o d9a*mpsmass 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 resulting y ;od0tx*l w9(m-vpzuvalue then is divided by three meters. Thi ow-l9xp 0(vdyum*;tzs 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 following wavelengths (in nm) of el6y. qj6510 ds wrfgyf4 vck;vyectromagnetic radiation will produce photoelectrons of the least kinetic energy if the radiation is incident on a material wi rsq5ygw6vy; fv 1c06.yjdk4fth 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 ,ahwo/9m.xy;:8d mk f7)hmv xv 7iidhatom 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.x99rmy o:1ampza y e:fs)w,n2 It is known that the electrons ejected from the surface range in speed as mnarmazyox)y1 9:2w ,p9:fse0 ≤ 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 photoelectr(j6ov m wpes5h;c8+jdx)odw6ic effect 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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  • 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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