Question

200分求一道物理题，求帮助 各种求 懂英文的高手嘞

Light with a wavelength of 544.6 nm strikes a single slit that is 0.4 mm wide. The diffraction pattern produced by the slit is observed on a wall a distance of 1.4 m from the slit.

(a) What is the distance from the center of the pattern to the first dark fringe?
多少毫米

(b) How wide is the central bright fringe of this diffraction pattern?
多少毫米

Answer 1

题目的大意是：一列波长为544.6nm的光束通过一宽0.4mm的单缝，从距单缝1.4m的屏来观察衍射图样。
(a)第一列暗条纹到图案中心的距离是多少？
(b)衍射图案的中心亮条纹有多宽？
希望对你解题有帮助，具体的解答过程从略。