MCQ
In Young's experiment for the interference of light, the separation between the silts is d and the distance of the screen from the slits is D. If D is increased by 0.6% and d is decreased by 0.2%, then for the light of a given wavelength, which one of the following is true?
"The fringe width ____________."
- Aincreases by 0.2%
- ✓increases by 0.8%
- Cdecreases by 0.8%
- Ddecreases by 0.2%