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实验报告
学生：范潇     学号： U202343245      院系：建环232    批阅时间： 2025-4-04 14:48

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最后得分：4.483分

实验目的和仪器

0.4分
【实验目的】
1)观察光电效应现象，了解光电效应的基本实验规律，加深对光的量子性的理解。
2) 测量普朗克常数 h，逸出功和红线频率。
【实验仪器】
ZKY-GD-4光电效应实验仪。
得分：0.4 分

实验原理

1.5分

得分：1.5 分

实验步骤

1分
本实验的研究内容包括两部分:
(1)测光电管在不同波长光照射下的伏安特性，并获得普朗克常量h和红限频率ν0。
(2)研究饱和光电流Im与光强P之间的关系。为了更好地理解实验现象，所有测量均采用手动测量。
实验中获得单色光的方法:
使用汞灯发出的稳定白光作为光源，再使用不同颜色的滤光片罩在光电管的入光可得到相应颜色的单色光。
测试前的准备:
1)将汞灯及光电管暗箱遮光盖盖上，再将光电效应实验仪及汞灯的电源接通，预热20min。
2)调整光电管与汞灯距离约为40cm 并保持不变。
3)用专用连接线将光电管暗箱电压输入端与实验仪电压输出端(后面板上)连接起来(红一红，蓝一蓝)。
4)使“手动/自动”模式键处于手动模式。将光电效应实验仪面板上“电流量程”选择开关置于所选档位(如“10-A”档、“10-10A”档等)，仪器充分预热后，进行测试前调零。实验仪在开机或改变电流量程后，会自动进入调零状态。调零时应将光电管暗箱电流输出端K与实验仪微电流输入端(后面板上)断开，旋转“调零”旋钮使电流指示为000.0。
5)用高频匹配电缆将光电管暗箱电流输出端K与实验仪微电流输入端连接起来，按实验仪面板上的“调零确认/系统清零”键，系统进入测试状态。
(1)测量光电管在不同波长光照射下的伏安特性测量波长为365.0nm、404.7nm、435.8nm、546.1nm、577.0nm的光照射下光电管的伏安特性曲线，研究入射光频率对光电流的影响。
具体实验步骤如下:
1)光电效应实验仪面板上“伏安特性测试/截止电压测试”状态键应为伏安特性测态。“电流量程”开关选择“10-10A”档，调零。此时电压表显示UAK的值，单位为伏；电流表显示对应的光电流值，单位为所选的“电流量程”单位。用电压调节键”、“↑”、“→”、“↓”可以调节 UAK的值，其中“←”和“→”键用于选择调节位。“↑”和“↓”键用来调节对应位的数值的大小。
2)将直径4mm的光阑及365nm的滤色片装在光电管暗箱光输入口上。打开汞灯遮光盖。电压测量范围为-1~50V，从低到高调节电压，合理分布测量点，以给出完整的的光电管电压-光电流变化曲线以及关键特征，将实验数据记录到表5.10-2中。
3)依次换上405nm、436nm、546nm、577nm的滤色片，重复第2)步的测量。
4)测量截止电压:理论上，测出不同频率的光照射下，阴极电流为零时对应的UAK绝对值即是该频率的截止电压，然而一般情况下由于光电管的阳极反向电流、暗电流电流及极间接触电位差的影响，所测电流并非阴极电流，因而电流为零时对应的UAK并非截止电压。
光电管制作过程中阳极往往被污染，沾上少许阴极材料，入射光照射阳极或入射光从服反射到阳极后都会造成阳极光电子发射，UAK为负值时，阳极发射的电子向阴极迁移了阳极反向电流。
暗电流和本底电流是热激发产生的光电流与杂散光照射光电管产生的光电流，可以在光电管制作、或测量过程中采取适当的措施以减小或消除它们的影响。
极间接触电位差与入射光频率无关，只影响Us的准确性，不影响Us-v直线的斜率。对测定h无影响。
此外,由于截止电压是光电流为零时对应的电压，若电流放大器灵敏度不够，或稳定性不好，也会给测量带来较大误差。(实验所用仪器采用子新型结构的光电管。其特殊结构使光不能直接照射到阳极，由仪射照到阳极的光电很少，再加上采用新型的阴、阳极材料及制造工艺，使得阳极反向电流大大降低，暗电流和本底电流都很小。因此，本实验仪器在测量不同频率光波的截止电压US时，可以采用“零电流法”或“补偿法”。“零电流法”是直接将各频率光照射下测得的电流为零时对应的电压UAK的绝对值作为截止电压Us。“补偿法”是调节电压UAK使电流为零后、保持UAK不变，遮挡汞灯光源，此时测得的电流I1为电压接近截止电压时的暗电流和本底电流。重新让汞灯照射光电管，调节电压UAK使电流值至I1，将此时对应的电压UAK的绝对值作为截止电压Us。此法可补偿暗电流和本底电流对测量结果的影响。
这里将采用零电流法测量波长分别为365.0nm、404.7nm、435.8nm、546.1nm、577.0nm入射光的截止电压Us。具体测量步骤如下:
①将光电效应实验仪面板上“伏安特性测试/截止电压测试”状态键切换为截止电压测试状态，并按“调零确认/系统清零”键进行确认。“电流量程”开关应处于“10-13A”档。
②将直径4mm的光阑及365nm的滤色片装在光电管暗箱光输入口上，打开汞灯遮光盖。从低到高调节电压(绝对值减小)，观察电流值的变化，寻找电流为零时对应的UAK值、以其绝对值作为该波长对应的Us的值，将数据记于表5.10-3中。
③依次换上405nm、436nm、546nm、577nm的滤色片，重复第②步测量。
(2)入射光光强P对饱和光电流Im的影响采用改变光阑直径的办法改变照射到光电管人射窗口的光强。入射光波长为435.8nm。光电效应实验仪面板上“伏安特性测试截止电压测试”状态键为伏安特性测试状态。“电流量程”开关选择“10-10A”档，重新调零。在UAK为50V时，测量并记录光阑直径分别为2mm、4mm、8mm时对应的电流值，并记录于表5.10-4中
得分：1 分

数据处理

1.光电管的伏安特性曲线

0.15分

绘制不同波长光照射下光电管的伏安特性曲线图

 

得分：0.113 分

实验曲线缺少坐标轴名称或单位

2.红限频率以及普朗克常量的测量

表1 入射光频率对截止电压的影响

光阑孔Φ=(1)mm

  • 填空(1)： 你的答案　8。
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波长λi/nm 365.0 404.7 435.8 546.1 577.0
频率vi/1014 HZ 8.214 7.408 6.897 5.490 5.196
截止电压V0/V          
波长λi/nm365.0404.7435.8546.1577.0
频率vi/1014 HZ8.2147.4086.8975.4905.196
截止电压V0/V-1.760-1.472-1.186-0.616-0.510
波长λi/nm 365.0 404.7 435.8 546.1 577.0
频率vi/1014 HZ 8.214 7.408 6.897 5.490 5.196
截止电压V0/V 1.638 1.268 1.062 0.494 0.366
table -1.760 -1.472 -1.186 -0.616 -0.510 HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ==
0.1分

绘制截止电压随入射光频率变化曲线图

得分：0.1 分

使用最小二乘法对实验数据表1中的数据进行拟合，确定普朗克常数、逸出功以及红移频率。

0.1分

直线斜率：b=(1)\times {10}^{-14}{V/Hz}

  • 填空(1)： 你的答案　0.421。
得分：0 分
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0.1分

直线截距：a=(1)V

  • 填空(1)： 你的答案　-1.69。
得分：0 分
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0.1分

普朗克常数：h=(1)\times {10}^{-34}J\cdot s

  • 填空(1)： 你的答案　6.74。
得分：0.1 分
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0.05分

斜率标准差：{S}_{b}=(1)\times {10}^{-14}{V/Hz}

  • 填空(1)： 你的答案　0.0120。
得分：0.02 分
datafill 0.0120 jBtluqnbeJa4qRn/4eh9AJRFFyI1DwvVa6AVgquZ7Sp7TA4pvTkjHWi64NoAV2fYirBMpJktBgigOTeFM+4LerkhBV3yvgQLVT/p0mzUXQgjPfumUeJi7KFORgKRzEiD7bGgjdXCUqltt+eWd7Ftzhbol7ybR2/JBU/zETgl/f6cx2EpF+TEIjt1X0iCKf6IwKRGd8R32lyJ5WminRBCNbFYQE1o6NJaxaXX02f4CMJFEVubynKJ/3uEFjFjPyZF12ZM8RXusGQ6foZF1tHi03LVnhz5SnjUf6Iw4J58v4yQW+0oYYi8/Yqw/6h041kbaVpVjYRXCS+WWwSL+VSKZuj9G3GWMzzXwnkzr3gAI3EOu9ghoH0SJfFMFwWkfTvJ+Je9tc5+tJz9EKqymvo1jf7IaSBp7cRhqhx/qYsYhz0PakYF7SkHu9A4ziO39XZByeYyMeEadw0yblnMDSLH1Rx0kZ+Msd1MRm5128mUIn0n6YxJiS5l9qxw2BqBAxxVQzhp8GrMhLs5QPTyPPffNg39nO0NZQHtEicj3tQliwyp5aRv3dFPJvj26rxjWwEW23sNUHV0mTO/iE3ez0q9AT070J/EbPzFAeUDbWDbLljOsxl0XO4Y3v4dj0wT4XjusmOLQLfqVRk2eZmKHW3wkix9qpuah/r6m8ieISHWHO+PVrWg7sreaBNjhQw4xDq9cIQGkMp6vyWRAml2uM1b/BHGlw+RReTBeN79S3W8D5QVvSQY1VfH8rguBi8ttut8TB/yk/MIP7l4TaL4rCTa/Byi6XdFl7NANKrczsNcZSNMcnPuQAfV1O37QPH/M4nzBtuyY/1igLaQNCtG6iMkMgHbC9f8F5bDYwuuD19XqL9p7lQIshNW7rXOY5kA3LVU7j2DDrCdjNJ63g8a6DWUcoGvU5mII4+fH35MTKAie2s= nSvZoqxgHipT88kt4fm8aXHaAY3XBjwA/8z6UE4NG4iManPiGBjJr2kJZMDLCGsCXZM7Y1GqcXx4jJVW+Sxmw1qJ5uf0j3RPPemIfBDLOnna6V94PqvN93RONEMfzS0ht4lJdZP1904B71Vtl8n5Gbcq9/7EdPTuJOlbRKeuFcz5S8WfRLnTHJaOGqah+1S52dwdvc6iWrxxcfNKnaXNW+0T7DWQTtPjPMIsTEC2Oohnili3Sq+gUDP/KwPnDHFe9/xRlVepEuv2ar2tT/fbF5/Ra3Ga25UR3QrmW5AcTfQMDkaYt2MHvUBdi9oFjSR5gcBH3bVQvbbdmtbZAUHyJAikRP8jn2lBqctP8qibsksTL68KDWaiyZZqf2ENcX9jq1mAQ2hBqoVgkjzkES12bRT6II2bZ/feEPHbeg7hb1q2kCzo7O114Oaif27OS4zBCxSih2e+0R2Cr4/lyU3Gv00x0sJNvTFTN4g6Rj7asR8qy57eVaQh/WaEmLr3dUcCEBENaoYIm1AYlqkNINqHAaGVVqk4uTGC3ktpnHg09wMKs6vGVQ+7eA+l8H+G+Xl437ft0ltfEJwvpexA9uj7troeFi15Ehsowxvy7E5HGW4zkzbfiZd2T2Dp6+PwMqXn+ZdVqWI5tNQ9VCR6pi4HQQVjrZc8uNL0d14vREs3Zto= kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUqeaVJMV/ibGpZ0Vn1sKaaCENGtnQvsqCetPQQzt8/12OHUWdiBiX+76CO/1PGYDxW6zreAwZaQaZ+cRis9v6Py6Q30QkLHtBPUkU3tpGLOV1z5fK9g/eAUo9BW+dTQ93yzWIrEVXKpVv6/trEMK9p0OC8EJk6ffDOzLe5gDr91GSCPtUYyve4rpaL0+xD+kJ0LvVAb3hzmS40tUPEaAEJoNoP+0p9+10bkdRGSsS9o7/AYvZlGthODefC59bvc6/dFNCBfDx1RJUcKz2iKF/XzuJnTouU98Z9H05ejC2QNpw== Y9EJwVXuEk9FCJXdEvM5JWDxcfgwUJSgVOuYcNmUnyXBinFZyrLwmgLGrlyaOKXDoOkJlaV2woMiZGKx6Rr2OH/eJp6Fv6z2izijntMUlEZfxrtpbKsOcf0P+tW+WyS+gxCS+NrXN+5OU2qTIaCtMcKD0kTSdAhPDTyb0jniWBzE1rJRmRALFp6dfYpDj9To6Lb7k1bhjCDyDlSOFs/6QC8HAOPhv8c/oov7/+3c/i0=
0.1分

普朗克常数不确定度：{U}_{h}=(1)\times {10}^{-34}J\cdot s

  • 填空(1)： 你的答案　0.48。
得分：0 分
datafill 0.48 76Lfn5KcfMsfuZRf1mee6k9qqWu17+IWF/y1CP+Gc2MZOkA7Pj2WhijkSFj5NnIC0GNreMwlUTvvewlCnsxMqYmhwUH7XNECfWGJja8phba9v9G3z0zh5H6YS1z4OLyuc7JSMtZorMmq6uBpaDAZbRU2m9wPluIq/m+UkbowizsU3JmYSc32malfoqStNeh3 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 kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUqeaVJMV/ibGpZ0Vn1sKaaCENGtnQvsqCetPQQzt8/12OHUWdiBiX+76CO/1PGYDxW6zreAwZaQaZ+cRis9v6Py6Q30QkLHtBPUkU3tpGLOV1z5fK9g/eAUo9BW+dTQ93yzWIrEVXKpVv6/trEMK9p0OC8EJk6ffDOzLe5gDr91GVJuSq/LWNK0zuVprG+iBZ60lD2KcaJVchtYznLk2e6c14G0fGK0ciPR2mVuomsAMMgMigjIjJbjWUiE+mH9SYWIjH3mFyWw7aAz0LCTjLUEM/ED+vvQbZjKb7Q26YlddW4uXGlVvLm7S/KTmHfxqHs= Y9EJwVXuEk9FCJXdEvM5JWDxcfgwUJSgVOuYcNmUnyXBinFZyrLwmgLGrlyaOKXDoOkJlaV2woMiZGKx6Rr2OH/eJp6Fv6z2izijntMUlEZfxrtpbKsOcf0P+tW+WyS+gxCS+NrXN+5OU2qTIaCtMcKD0kTSdAhPDTyb0jniWBzE1rJRmRALFp6dfYpDj9To6Lb7k1bhjCDyDlSOFs/6QLJn2rNheFxkeGYLB72a/js=
0.05分

普朗克常数完整表达形式：=(1)±(2)\times {10}^{-34}J\cdot s

  • 填空(1)： 你的答案　6.74。
  • 填空(2)： 你的答案　0.48。
得分：0.05 分
datafill 6.74 0.48 76Lfn5KcfMsfuZRf1mee6tUBk3RfmxdQ9phXB4pemeMYFEAgBSVGSZpFlXDISjNeQ41AXfA3EW4sRbfrcPWMGqLnm/CRKLLS/QhMw+dgv1wIAasuNOnX2t3xoiltlQVR7MuwtcgVqrKfuK9O6KH3WJBGPjnpV7ROWwji02XO0OZ5QeeqPhvMpfI9TyYVhtuH2mC+ZC2iNHp7JkHI4992FUaCfw3kihSxgu5CpwXL6MqOukXisxWxoCBg7ikXiV60L0Bye5cWSevPPGE0c5dooeqdH3bi0y6oMyORUAOCysx8/PQB80CiVwrXFgCXuX/p 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 kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUpVAs33bjoH7Kduqn27/nJYJHoIzMzcthW0SdIS66OQOHaw2FORK/zQsZ1aoGj5c8k= 9praMPg4TMMVC5GJf1BNT9voNB+tGJGobAIK0KJ3y9F/2BHIhmiMdNW7GcQvkymXSCAAdWkiATejQAXHsN2luwyQ2mJ3Ovw9XhokZ/Svkj4=
0.05分

普朗克常数的相对误差：=(1)%

  • 填空(1)： 你的答案　1.72。
得分：0 分
datafill 1.72 zuMcJJrJA6I+lq/1KVw2JhxH5ITRXG9CSa2n91ikJpU5MSOwLCrq//wamFqUUzyiEdv+WwkjfxiZ72utaJanfo9Xxe88OgX45WhTLFlDUe9CH+SO/kui0j4FPpVz9+ZKiTt968tBp5Fs0y3IwVHbWlDwdvNJyax3cizekjflO6E= 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 kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUpSJOaAVA2l70GbN8nyRqlTZT/sWEnEmsdRw71ONj98NRMxQFN4+dPxfT+1O1/BjKWQDh/aXCkh1h5B8p9av2cEQ0wcvrSRgwSvqnCfqvqFxr6IxCpGguA6i13qkED/dqwzPqMt8MxwnV+pWdjp7GxKoh3ol2raKwhBL+S2V1I5nBAkRyRdYSGfWxFBg9Z0xZT8W7lWEJ7D73U98Roo5yLN6BKZIGIi1wFcJ9IyWKCO9pCivKcxDWY0r8PFiJ4JtFQ= Y9EJwVXuEk9FCJXdEvM5JWDxcfgwUJSgVOuYcNmUnyXBinFZyrLwmgLGrlyaOKXDoOkJlaV2woMiZGKx6Rr2OH/eJp6Fv6z2izijntMUlEZfxrtpbKsOcf0P+tW+WyS+gxCS+NrXN+5OU2qTIaCtMcKD0kTSdAhPDTyb0jniWBzE1rJRmRALFp6dfYpDj9To6Lb7k1bhjCDyDlSOFs/6QLJn2rNheFxkeGYLB72a/js=
0.1分

逸出功：A=(1)\times {10}^{-19}J

  • 填空(1)： 你的答案　2.70。
得分：0.1 分
datafill 2.70 4thEUGtKygWCtIviDnAMDHsDBg/knR934dMzsgKmZvMfPgK1NTBacWOMTN2Q+awYeBaQTLl8e8qV1SOwnz6Rz7DJudcIq7+PkGRO3tRcOgS9OFQ2WpKhF0Xez4cZKpI8FYdcnzhhppRgXsyzC3vA6f+vMiOFgnMxV8EKfN5WfRg= nSvZoqxgHipT88kt4fm8aXHaAY3XBjwA/8z6UE4NG4iManPiGBjJr2kJZMDLCGsCXZM7Y1GqcXx4jJVW+Sxmw1qJ5uf0j3RPPemIfBDLOnna6V94PqvN93RONEMfzS0ht4lJdZP1904B71Vtl8n5Gbcq9/7EdPTuJOlbRKeuFcy51ryoHtM2LSvmszALtEKJ2+9iWRE0ZhsKV15bU5cFFGegXNLVCiFMUrUuCwGoIfAQWJuD1W6TE0Xg/QoxbnOVdxpGNQoLAAlDBGsJ6PtkHGD99LfyorGGlk9DUUFG+7m64shPMxAIt4MAh5Sqwp3D kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUrzpqEMBAALJfWvyhLwZWMtWosjMidNnP4KW7q2srCJyivrQQRtwZkqbXk/WuotxOybaddI7oSKx+waTnttTe+zv8toQ0nP0jvUe+/LdJ+s38xoz+B8m1nIl+PzKjnv4cAeCKDAPxajYZuenTA8akfX9BVLIR9+5+s/+Io3cnEpjQ== Y9EJwVXuEk9FCJXdEvM5JWDxcfgwUJSgVOuYcNmUnyXBinFZyrLwmgLGrlyaOKXDoOkJlaV2woMiZGKx6Rr2OH/eJp6Fv6z2izijntMUlEZfxrtpbKsOcf0P+tW+WyS+gxCS+NrXN+5OU2qTIaCtMcKD0kTSdAhPDTyb0jniWBzE1rJRmRALFp6dfYpDj9To6Lb7k1bhjCDyDlSOFs/6QLJn2rNheFxkeGYLB72a/js=
0.05分

截距标准差{S}_{a}=(1)V

  • 填空(1)： 你的答案　0.081。
得分：0.05 分
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0.1分

逸出功不确定度：{U}_{A}=(1)\times {10}^{-19}J

  • 填空(1)： 你的答案　0.32。
得分：0 分
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0.05分

逸出功完整表达形式：=(1)±(2)\times {10}^{-19}J

  • 填空(1)： 你的答案　2.70。
  • 填空(2)： 你的答案　0.32。
得分：0.05 分
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0.1分

红限频率：v0=(1)\times {10}^{14}Hz

  • 填空(1)： 你的答案　4.01。
得分：0.1 分
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0.1分

红限频率不确定度：{U}_{v0}=(1)\times {10}^{14}Hz

  • 填空(1)： 你的答案　0.55。
得分：0.1 分
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0.05分

红限频率的完整表达式：=(1)±(2)\times {10}^{14}Hz

  • 填空(1)： 你的答案　4.01。
  • 填空(2)： 你的答案　0.55。
得分：0.05 分
datafill 4.01 0.55 76Lfn5KcfMsfuZRf1mee6gI3DDckN86G8J7WKppQlgbvu9S6VtmuDwqEBUEY+XNWKEzlg1Sa2PnQKLHbilmYSRmRx6xxrDBifLqshKtRc7+fGMBzWzBOxRMwNSjwtaZFbrNkQ3tMKPRTSAEx1nrNgntTr6BUm1o0BgnO1AxAlqa3tG/kp0mJjB9RcsDnucpps/UpCfoCFg/7LdzBhSbsjur5MLKhGiMtv9/qDnX5BZFwB18sdwg3FB58H3+EAMimg/Kgh4Qqpk7JAiwdBzFzr2ia6jiFYIU4FDZP1/u4hannVsvzeXgPUFQ8wCgive4LxVRNSRPHaazi4O6rgdGdag== 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 kbs8cUEArIzl90tKMNafbYHxVlWcZSPCSNHpyr79Ghet8cA3zN2g8pM9FKB7U4TQaxwCptcELlCLEqij9G39SnL+KuKO9adY8zD9IqZic8HGZd0xaAtW6TswGU5lqPr7QwLI7k6bdO4eE13xWhxhk3G6B50H48YzYcFoQNYnAUpVAs33bjoH7Kduqn27/nJYJHoIzMzcthW0SdIS66OQOHaw2FORK/zQsZ1aoGj5c8k= Y9EJwVXuEk9FCJXdEvM5JWDxcfgwUJSgVOuYcNmUnyXBinFZyrLwmgLGrlyaOKXDoOkJlaV2woMiZGKx6Rr2OH/eJp6Fv6z2izijntMUlEZfxrtpbKsOcf0P+tW+WyS+gxCS+NrXN+5OU2qTIaCtMcKD0kTSdAhPDTyb0jniWBzE1rJRmRALFp6dfYpDj9To6Lb7k1bhjCDyDlSOFs/6QC8HAOPhv8c/oov7/+3c/i0=

3.光电管饱和光电流与入射光强的关系曲线

关系数据表

{V}_{AK}=(1)V

光电管与汞灯距离L=(2)mm

  • 填空(1)： 你的答案　50。
  • 填空(2)： 你的答案　400。
datafill 50 400 Izbs3E/HH3t2Vg2Y4s+kbijlPPmQh7D1U11fx+nL090= HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ==
435.8nm 光阑孔Φ 2mm 4mm 8mm
435.8nm I（×10-10A）      
435.8nm光阑孔Φ2mm4mm8mm
435.8nmI（×10-10A）14.146.4183.4
435.8nm 光阑孔Φ 2mm 4mm 8mm
435.8nm I（×10-10A） 5.7 20.8 91.0
table 14.1 46.4 183.4 HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ== HLLIPGEigCS9uQcpleVWHQ==
0.1分

绘制关系曲线图

得分：0.1 分

0.05分

对实验数据点进行拟合给出拟合函数：

Im=3.61*S（mm²）+2.03（×10^（-10）A）

得分：0.05 分

分析讨论与结论

0.2分

分析与讨论

 通过饱和电流与入射光强的关系可得到饱和光电流Im的大小随入射光强P的增大而线性增大的实验规律；通过入射光频率对截止电压的影响可以得到入射光频率越高，截止电压越高的实验规律；在入射光频率对光电流的影响的实验中，通过实验数据图像可以得到光电流I随外加电压UAK增大而增大，且增长趋势变缓的实验规律。

得分：0.2 分

0.1分

结论

本实验运用了转化法、控制变量法等实验方法，使用了光电效应实验仪、滤光片、汞灯等实验仪器，测得了不同频率入射光的下光电管的伏安特性，并用零电流法测得了不同频率入射光的截止电压，根据爱因斯坦光电效应方程算出了普朗克常量h，逸出功A和红限频率ν0，测得的普朗克常量与标准值较为接近，可信度高。

得分：0.1 分

原始数据

数据处理过程

0.3分

得分：0.3 分