【摘要】 本文运用激光束、分光计在光具座上测透镜焦距，对导致实验中测量的各种误差原因进行了分析探讨。更多还原

【Abstract】 In this paper the focus of lens is measured using laser beam and spectrometer on the optical bench. The causes of various errors of measurement in the experiment are analysed and investigated.更多还原