Diffraction grating (id: 25633ae9c)

本题目来源于试卷: Diffraction grating，类别为 美国物理杯赛(Physics Bowl)

[单选题]
02.37: A diffraction grating of 10003m 6)t+vvfcn i linesxgx fsje(, ,,uzz- i2m/cm has red light of wavelength 700nm pass through it. The distance bet zs,,(,xfmuz ge2x-j iween the first and third principal bright spots on a screen 2.0m away is

A. 14 cm
B. 28 cm
C. 42 cm
D. 140 cm
E. 280 cm


参考答案:  B


本题详细解析: 暂无

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