Question : In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 Å. The angular position of the first dark fringe is
A. 0.08°
B. 0.16º
C. 0.20º
D. 0.32º
Answer:B
Question : In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 Å. The angular position of the first dark fringe is
A. 0.08° B. 0.16º C. 0.20º D. 0.32º