置于空气中的折射率为 n 的劈尖状板,在波长为λ的单色光的垂直照射下,相邻的两条等厚干涉条纹对应的薄膜厚度之差等于
未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/wCX8ruxnuWeTkcDyuHIbrw==/1038642664079781619.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/E4pLEvl66oEglYlu_VHILA==/6630770897560175543.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/fcDheyV8ZEZtuw77KcpcbA==/6630301406094316308.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/YCPyo8OH0kQUkwq71yxhtA==/6608514583189659373.png"]'], 'type': 102}
未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/wCX8ruxnuWeTkcDyuHIbrw==/1038642664079781619.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/E4pLEvl66oEglYlu_VHILA==/6630770897560175543.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/fcDheyV8ZEZtuw77KcpcbA==/6630301406094316308.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/YCPyo8OH0kQUkwq71yxhtA==/6608514583189659373.png"]'], 'type': 102}
举一反三
- 利用等厚干涉可以测量微小的角度。置于空气中的折射率n=1.4的劈尖状板,在某单色光的垂直照射下,量出两相邻明条纹间距l=0.25cm,已知单色光在空气中的波长λ=700nm,则劈尖顶角θ为 未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/XVw1H0uVAPphxipl-fC9_w==/1132655306301324044.png"] rad', '[img src="http://img-ph-mirror.nosdn.127.net/hfipTTeqKWfkdLC9ZtpZJw==/2876111312131001324.png"] rad', '[img src="http://img-ph-mirror.nosdn.127.net/m4hHMN3YolhN0g3DAgxaVw==/4862761697754811357.png"] rad', '[img src="http://img-ph-mirror.nosdn.127.net/5MlDVo_vEGzNBXCaVTWQTw==/6630395964095416428.png"] rad'], 'type': 102}
- 在迈克耳逊干涉仪的一条光路中,放入一折射率为 n ,厚度为 d 的透明薄片,放入后,这条光路的光程改变了 未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/qn09c9Ci2nF9pX9R87BxVQ==/1050183138125143573.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/GjabRIu5CvtF-SKp6ut70Q==/2884274086371701957.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/rf2xtN1bhxwDAbFG7S3Wsw==/1176565402668152865.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/mMvWdrQc2FqddZT5ORs6ZA==/6630695031257858715.png"]'], 'type': 102}
- 为了测定一光栅的光栅常数,用波长为632.8nm的氦氖激光器的激光垂直照射光栅,做光栅的衍射光谱实验,已知第一级亮条纹出现在30°的方向上,问这光栅的光栅常数是多大? 未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/lG0dC3y-MNGDMNyb8OrXFw==/6631643909791589858.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/tyIuRVorbz99i0ET5wXpRQ==/6631550451303228211.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/e1Kd14qrMDxuRUSrMJekLw==/6631587834698573343.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/ql5jnn9oxZpBuPZXH6GfQg==/6631452594768356752.png"]'], 'type': 102}
- 有两个完全相同的弹簧振子a和b,并排放在光滑的水平面上,它们的周期都是2s。现将两个振子从平衡位置向右拉开5cm,然后无初速先释放a,经过0.5s,再释放b,则它们之间的相位差[img src="http://img-ph-mirror.nosdn.127.net/PYz9tFdxsTzdTh9RZIi2Mg==/6598147288113341766.png"]为 未知类型:{'options': ['0', '[img src="http://img-ph-mirror.nosdn.127.net/rrpvLTSECCMjMZedZz_qgg==/6608803754747705357.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/7bGEBQh-hnLaxnvQvSNhaQ==/6608913705911130871.png"]', '[img src="http://img-ph-mirror.nosdn.127.net/UZvcOIbMZRpNFyqV9bptZA==/6597268778262984580.png"]'], 'type': 102}
- 将水平弹簧振子向右拉离平衡位置10cm,由静止释放而简谐运动,振动周期为2 秒。若选拉开方向为正方向,并以振子第一次经过平衡位置时开始计时,则这一简谐运动的振动方程为: 未知类型:{'options': ['[img src="http://img-ph-mirror.nosdn.127.net/a-fyBlkSGQPjEloz0wNZnA==/6619412942444125291.jpg"]', '[img src="http://img-ph-mirror.nosdn.127.net/QpF65U0bljyZoGy95HAlkA==/3780771887277950979.jpg"]', '[img src="http://img-ph-mirror.nosdn.127.net/FyuPtFNOu0nG846ZJSt07w==/3319997350402630989.jpg"]', '[img src="http://img-ph-mirror.nosdn.127.net/CRtzmQ41vT-9tBBsdEt-AA==/6608447512980675747.jpg"]'], 'type': 102}