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Question: Answered & Verified by Expert
While light is used in the Young's double slit experiment. Then
PhysicsWave OpticsJEE Main
Options:
  • A The central fringe will be white.
  • B There will not be a completely dark fringe.
  • C Fringe next to the central fringe will be red.
  • D Fringe next to the central fringe will be violet.
Solution:
2684 Upvotes Verified Answer
The correct answer is: The central fringe will be white.

The waves of each wavelength form their separate interference pattern. Therefore, the central fringe is white, violet fringe appears next and red fringe last according to their respective wavelengths.

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