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 light shines throln.tayeqel3 ax.v1 9 4ugh a diffraction grati io plsr;x:4 g,;x kbx*tnrwx5d:,gj4ng of 1200 lines/cm and produces an interference pattern on a screen a distance 5.0 m away. Which o ;xx *;dsno g: xiprgbw5k4 4rxjlt,,:ne of the following choices best represents the distance between 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:
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