Helium neon laser light (632.8 nm) is sent through a single slit of width 0.30 mm. What is the width of the central maximum on a screen 1.0 m in back of the slit? ( )
选项:
A:2.0 mm
B:3.1 mm
C:4.2 mm
D:5.3 mm
发布时间:2024-06-20 14:33:11