MCQ
In a certain double slit experimental arrangement interference fringes of width 1.0 mm each are observed when light of wavelength 5000 Å is used. Keeping the set up unaltered, if the source is replaced by another source of wavelength 6000 Å, the fringe width will be
  • A
    0.5 mm
  • B
    1.0 mm
  • 1.2 mm
  • D
    1.5 mm

Answer

Correct option: C.
1.2 mm
1.2 mm

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