Physics · Wave Optics
In Young's double-slit experiment, the two slits are a distance 'd' apart. An interference pattern is observed on a screen at a distance 'D' from the slits. If a dark fringe is observed on the screen directly opposite to one of the slits, the wavelength of the light is:
- 1D22d
- 2d22D✓
- 3D2d
- 4d2D
Correct answer
d22D
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Wave Optics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Wave Optics