大学MOOC Optics(Sun Yat-sen University)1461342169 最新慕课完整章节测试答案
1. Introduction
Problems 1
1、单选题:
The wavelength of light waves of the same frequency propagating in a homogeneous isotropic media is ______ that in a vacuum.
选项:
A: longer than
B: shorter than
C: the same as
D: impossible to determine
答案: 【 shorter than】点我阅读全文
