本题目来源于试卷: Diffraction grating，类别为 美国物理杯赛(Physics Bowl)
[单选题]
17.41: Pure red lighav2nzm*9 4 4sm8t mcndt shines through a diffraction grating om3hrxfr8 1x*zf 1200 lines/cm and produces an interference pattern on a screen a distance 5.0 m away. Which one of the following choices best represents the distance betweenzxx3m 1hrrf *8 the first and third principal bright spots on the screen?
A. 0.02 m
B. 0.10 m
C. 1.0 m
D. 2.0 m
E. 4.0 m
参考答案: C
本题详细解析:
暂无
| 
