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第16章第1练 光电效应 波粒2象性_4.2025物理总复习_2024年新高考资料_1.2024一轮复习_2024年高考物理一轮复习讲义(新人教版)_学生版在此文件夹_一轮复习85练

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第16章第1练 光电效应 波粒2象性_4.2025物理总复习_2024年新高考资料_1.2024一轮复习_2024年高考物理一轮复习讲义(新人教版)_学生版在此文件夹_一轮复习85练
第16章第1练 光电效应 波粒2象性_4.2025物理总复习_2024年新高考资料_1.2024一轮复习_2024年高考物理一轮复习讲义(新人教版)_学生版在此文件夹_一轮复习85练
第16章第1练 光电效应 波粒2象性_4.2025物理总复习_2024年新高考资料_1.2024一轮复习_2024年高考物理一轮复习讲义(新人教版)_学生版在此文件夹_一轮复习85练
第16章第1练 光电效应 波粒2象性_4.2025物理总复习_2024年新高考资料_1.2024一轮复习_2024年高考物理一轮复习讲义(新人教版)_学生版在此文件夹_一轮复习85练

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1.关于光电效应,下列说法正确的是( ) A.截止频率越大的金属材料逸出功越大 B.只要光照射的时间足够长,任何金属都能发生光电效应 C.从金属表面逸出的光电子的最大初动能越大,这种金属的逸出功越小 D.入射光的光强一定时,频率越高,单位时间内逸出的光电子数就越多 2.(多选)波粒二象性是微观世界的基本特征,以下说法正确的有( ) A.光电效应现象揭示了光的粒子性 B.热中子束射到晶体上产生衍射图样说明中子具有波动性 C.黑体辐射的实验规律可用光的波动性解释 D.动能相等的质子和电子,它们的德布罗意波的波长也相等 3.(2022·江苏卷·4)上海光源通过电子-光子散射使光子能量增加,光子能量增加后( ) A.频率减小 B.波长减小 C.动量减小 D.速度减小 4.研究光电效应的电路图如图所示,关于光电效应,下列说法正确的是( ) A.任何一种频率的光,只要照射时间足够长,电流表就会有示数 B.若电源电动势足够大,滑动变阻器滑片向右滑,电流表的示数能一直增大 C.调换电源的正负极,调节滑动变阻器的滑片,电流表的示数可能变为零 D.光电效应反映了光具有波动性 5.(多选)在光电效应实验中,分别用频率为ν 、ν 的单色光a、b照射到同种金属上,测得 a b 相应的遏止电压分别为U 和U ,光电子的最大初动能分别为E 和E ,h为普朗克常量. a b ka kb 下列说法正确的是( ) A.若ν>ν,则一定有U<U a b a b B.若ν>ν,则一定有E >E a b ka kb C.若U<U,则一定有E <E a b ka kbD.若ν>ν,则一定有hν-E >hν-E a b a ka b kb 6.(多选)(2023·天津市模拟)如图所示,甲、乙为两束光经过同一双缝干涉装置后产生的干 涉条纹,丙图为光电效应实验图,实验中施加反向电压得到的光电流 I与光电管两端电压U 的关系如图丁所示,下列说法正确的是( ) A.若甲光能使丙图中产生光电流,则乙光一定能使丙图中产生光电流 B.当U 小于0,但U 没有达到遏止电压时,流经电流表方向为从上到下 AK AK C.若甲光对应丁图中曲线b,则乙光可能对应丁图中曲线c D.a光照射光电管产生的光电子动能一定小于b光照射光电管产生的光电子动能 7.(2020·江苏卷·12(1)(2))(1)“测温枪”(学名“红外线辐射测温仪”)具有响应快、非接触和 操作方便等优点.它是根据黑体辐射规律设计出来的,能将接收到的人体热辐射转换成温度 显示.若人体温度升高,则人体热辐射强度 I 及其极大值对应的波长 λ 的变化情况是 ________. A.I增大,λ增大 B.I增大,λ减小 C.I减小,λ增大 D.I减小,λ减小 (2)大量处于某激发态的氢原子辐射出多条谱线,其中最长和最短波长分别为 λ 和λ ,则该 1 2 激发态与基态的能量差为________,波长为λ 的光子的动量为________.(已知普朗克常量 1 为h,光速为c) 8.(多选)如图所示,甲、乙、丙、丁是关于光电效应的四个图像(电子电荷量为e),以下说 法正确的是( )A.由图甲可求得普朗克常量h= B.由图乙可知虚线对应金属的逸出功比实线对应金属的逸出功小 C.由图丙可知在光的颜色不变的情况下,入射光越强,饱和电流越大 D.由图丁可知电压越高,则光电流越大 9.用金属铷为阴极的光电管,观测光电效应现象,实验装置示意图如图甲所示,实验中测 得铷的遏止电压U 与入射光频率ν之间的关系如图乙所示,图线与横轴交点的横坐标为 c 5.15×1014 Hz.已知普朗克常量h=6.63×10-34 J·s.则下列说法中正确的是( ) A.欲测遏止电压,应选择电源左端为正极 B.当电源左端为正极时,滑动变阻器的滑片向右滑动,电流表的示数持续增大 C.增大照射光的强度,产生的光电子的最大初动能一定增大 D.如果实验中入射光的频率ν=7.00×1014 Hz,则产生的光电子的最大初动能约为1.2×10-19 J 10.(2023·山西省榆次一中模拟)如图所示,分别用波长为λ、2λ的光照射光电管的阴极K,对 应的遏止电压之比为3∶1,则光电管的截止频率对应的光的波长是( ) A.2λ B.3λ C.4λ D.6λ 11.(多选)(2023·浙江省高三检测)如图所示为研究光电效应的实验装置,此时滑片P位于中点 O的正上方,用光束照射光电管的极板K,电流表的指针发生偏转.移动滑片P,当电流表 示数恰好为0时,电压表指针指向某一刻度,下列说法正确的是( )A.滑片P应向右滑动 B.电流表示数恰好为0时,电压表示数为遏止电压的大小 C.电压表指针指向某一刻度后,再移动滑片P,指针将不再偏转 D.用某种频率的光照射,电流表示数恰好为0时,读取电压表示数;换用另一种频率的光, 同样操作后也读取电压表示数,若两种光频率和电子电荷量已知,就可以测定普朗克常量 12.(2023·山东淄博市模拟)某光电管的阴极在某单色光照射下恰好发生光电效应.阴极与阳 极之间所加电压大小为U,光电流为I.已知电子的质量为m、电荷量为e,假设光电子垂直 碰撞阳极且碰撞后即被吸收,则光电子对阳极板的平均作用力F的大小为( ) A. B. C. D.
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  1. CONNECT:[ UseTime:0.000576s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000675s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000347s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000320s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000543s ]
  6. SELECT * FROM `set` [ RunTime:0.000230s ]
  7. SHOW FULL COLUMNS FROM `wendang` [ RunTime:0.000661s ]
  8. SELECT * FROM `wendang` WHERE `id` = 373833 LIMIT 1 [ RunTime:0.000431s ]
  9. UPDATE `wendang` SET `liulancishu` = 1 WHERE `id` = 373833 [ RunTime:0.001599s ]
  10. UPDATE `wendang` SET `lasttime` = 1773121743 WHERE `id` = 373833 [ RunTime:0.000519s ]
  11. SELECT * FROM `wendang` WHERE `id` < 373833 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000529s ]
  12. SELECT * FROM `wendang` WHERE `id` > 373833 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000452s ]
  13. SELECT * FROM `wendang` WHERE `id` <> 373833 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001454s ]
  14. SELECT * FROM `wendang` WHERE `id` <> 373833 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000920s ]
  15. SELECT * FROM `wendang` WHERE `id` <> 373833 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001099s ]
0.082592s