关于杨氏双缝实验的 SAT2 物理 求翻译+求解答 好心人谢谢了 （周六就要考了 悬赏点财富 祝我好运吧=v=）
In young's double-slit interfernce experiment
What is the difference in path length of the light waves from the two slits at the center of the first bright fringe above the central maximum?
A 0
B 1/4 λ
C 1/2 λ
D λ
E3/2 λ