MCQ
Using a monochromatic light of wavelength 2 in Young's double-slit experiment, the eleventh dark fringe is obtained on the screen for a phase difference of
- A$\frac{11}{2} \pi rad$
- B$\frac{21}{2} \pi rad$
- C$13 \pi rad$
- ✓$21 rrad$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.