• 2022-10-29
    ‍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}
  • 举一反三