大学物理习题解答习题

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1、光学习题17-117-217-317-417-517-617-717-817-917-1017-1117-1217-1317-1417-1517-1617-1717-1817-1917-2017-2117-2217-2317-2417-2517-2617-2717-2817-2917-3017-3117-3217-3317-3417-3517-3617-3717-3817-3917-4017-4117-4217-4317-4417-4517-4617-4717-4817-4917-5017-5117-5217-5317-5417-5517-5617-5717

2、-5817-5917-6017-6117-6217-63习题总目录结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.17-1在双缝干涉实验中，两缝的间距为0.6mm，照亮狭缝S的光杠杆汞弧灯加上绿色滤光片，

3、在2.5m远处的屏幕上出现干涉条纹，测得相邻两明条纹中心的距离为2.27mm。试计算入射光的波长。返回结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.解：由杨氏双缝干涉条件DxdΔl=DxdΔl==0.6

4、0×2.272500=5.45×10-4(mm)=5450(Å)返回结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.17-2用很薄的云母片(n=1.58)覆盖在双缝实验中的一条缝上，这时屏幕上的零级明条纹

5、移到原来的第七级明条纹的位置上，如果入射光波长为l=550nm。试问此云母片的厚度为多少?返回结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.解：设云母片的厚度为e=6.6×10-6(m)=0r2r1ne

6、e7l=()+r2r11()n7l=e=7×5.5×10-71.5811()n7l=e无云母片时放置云母片后联立两式返回结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.17-3在双缝干涉实验装置中，屏幕到

7、双缝的距高D远大于双缝之间的距离d，对于钠黄光(l=589.3nm)，产生的干涉条纹，相邻两明纹的角距离(即相邻两明纹对双缝处的张角)为0.200。(1)对于什么波长的光，这个双线装置所得相邻两条纹的角距离比用钠黄光测得的角距离大10%?(2)假想将此整个装置没入水中(水的折射率n=1·33)，用钠黄光照射时，相邻两明条纹的角距离有多大?返回结束Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluat

8、iononly.CreatedwithAspose.