In Young’s double-slit experiment, the sodium light through a single slit is used as a light source to illuminate a screen with double-slit. The separation of the double-slit is 0.5 mm and the distance between the screen of single-slit and the screen of double-slit is 20 cm. Determine the width of the single-slit when the interference fringes vanish as the width of single slit increases.
选项:
A:2.4 mm;
B:1.2 mm;
C:0.24 mm;
D:0.12 mm
发布时间:2024-06-20 14:33:11